Merge branch 'master' into itsLucario/master

Example code for resilience4j retry

.github/workflows/ci.yml

@@ -0,0 +1,16 @@
+name: CI
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - name: "Checkout sources"
+      uses: actions/checkout@v1
+    - name: "Setup Java"
+      uses: actions/setup-java@v1
+      with:
+        java-version: 13
+    - name: "Build all modules"
+      run: chmod 755 build-all.sh && ./build-all.sh

.gitignore

@@ -0,0 +1,3 @@
+**/.idea/
+**/*.iml
+

.idea/libraries/Gradle__org_projectlombok_lombok_1_16_20.xml

@@ -1,11 +0,0 @@
-<component name="libraryTable">
-  <library name="Gradle: org.projectlombok:lombok:1.16.20">
-    <CLASSES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.projectlombok/lombok/1.16.20/ac76d9b956045631d1561a09289cbf472e077c01/lombok-1.16.20.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.projectlombok/lombok/1.16.20/69ebf81bb97bdb3c9581c171762bb4929cb5289c/lombok-1.16.20-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>

.idea/modules/spring-boot-testing.iml

@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module external.linked.project.id=":spring-boot:spring-boot-testing" external.linked.project.path="$MODULE_DIR$/../../spring-boot/spring-boot-testing" external.root.project.path="$MODULE_DIR$/../.." external.system.id="GRADLE" external.system.module.group="reflectoring.io" external.system.module.version="0.0.1-SNAPSHOT" type="JAVA_MODULE" version="4">
-  <component name="NewModuleRootManager" inherit-compiler-output="true">
-    <exclude-output />
-    <content url="file://$MODULE_DIR$/../../spring-boot/spring-boot-testing">
-      <excludeFolder url="file://$MODULE_DIR$/../../spring-boot/spring-boot-testing/.gradle" />
-      <excludeFolder url="file://$MODULE_DIR$/../../spring-boot/spring-boot-testing/build" />
-      <excludeFolder url="file://$MODULE_DIR$/../../spring-boot/spring-boot-testing/out" />
-    </content>
-    <orderEntry type="inheritedJdk" />
-    <orderEntry type="sourceFolder" forTests="false" />
-  </component>
-</module>

.travis.yml

@@ -1,5 +1,5 @@
 before_install:
- - chmod +x gradlew
+ - chmod +x build-all.sh
  - |
    if ! git diff --name-only $TRAVIS_COMMIT_RANGE | grep -qvE '(.md)|^(LICENSE)'
    then
@@ -7,7 +7,12 @@ before_install:
      exit
    fi
 
+install: skip
+
+script:
+  - ./build-all.sh
+
 language: java
 
 jdk:
-  - oraclejdk8
+  - oraclejdk13

README.md

@@ -1,8 +1,21 @@
 # Example Code Repository
 
-[![Travis CI Status](https://travis-ci.org/thombergs/code-examples.svg?branch=master)](https://travis-ci.org/thombergs/code-examples)
+[![CI](https://github.com/thombergs/code-examples/workflows/CI/badge.svg)](https://github.com/thombergs/code-examples/actions?query=workflow%3ACI)
 
-This repo contains example projects which show how to use different java technologies.
+This repo contains example projects which show how to use different (not only) Java technologies.
 The examples are usually accompanied by a blog post on [https://reflectoring.io](https://reflectoring.io).
 
-See the READMEs in each subdirectory of this repo for more information. 
+See the READMEs in each subdirectory of this repo for more information on each module.
+
+## Java Modules
+All Java modules require **Java 11** to compile and run.
+
+### Building with Gradle
+
+Each module should be an independent build and can be built by calling `./gradlew clean build` in the module directory. 
+
+All modules are listed in [build-all.sh](build-all.sh) to run in the CI pipeline.
+
+### Non-Java Modules
+
+Some folders contain non-Java projects. For those, refer to the README within the module folder.

aws/aws-hello-world/.gitignore

@@ -0,0 +1,32 @@
+HELP.md
+.gradle
+build/
+!gradle/wrapper/gradle-wrapper.jar
+!**/src/main/**
+!**/src/test/**
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+out/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+### VS Code ###
+.vscode/

aws/aws-hello-world/Dockerfile

@@ -0,0 +1,5 @@
+FROM openjdk:8-jdk-alpine
+ARG JAR_FILE=build/libs/*.jar
+COPY ${JAR_FILE} app.jar
+ENTRYPOINT ["java","-jar","/app.jar"]
+EXPOSE 8080

aws/aws-hello-world/build.gradle

@@ -0,0 +1,24 @@
+plugins {
+	id 'org.springframework.boot' version '2.2.4.RELEASE'
+	id 'io.spring.dependency-management' version '1.0.9.RELEASE'
+	id 'java'
+}
+
+group = 'io.reflectoring'
+version = '0.0.1-SNAPSHOT'
+sourceCompatibility = '1.8'
+
+repositories {
+	mavenCentral()
+}
+
+dependencies {
+	implementation 'org.springframework.boot:spring-boot-starter-web'
+	testImplementation('org.springframework.boot:spring-boot-starter-test') {
+		exclude group: 'org.junit.vintage', module: 'junit-vintage-engine'
+	}
+}
+
+test {
+	useJUnitPlatform()
+}

aws/aws-hello-world/gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.2-bin.zip

aws/aws-hello-world/gradlew

@@ -0,0 +1,172 @@
+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"

aws/aws-hello-world/settings.gradle

@@ -0,0 +1 @@
+rootProject.name = 'aws-hello-world'

aws/aws-hello-world/src/main/java/io/reflectoring/awshelloworld/AwsHelloWorldApplication.java

@@ -0,0 +1,13 @@
+package io.reflectoring.awshelloworld;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class AwsHelloWorldApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(AwsHelloWorldApplication.class, args);
+	}
+
+}

aws/aws-hello-world/src/main/java/io/reflectoring/awshelloworld/HelloWorldController.java

@@ -0,0 +1,14 @@
+package io.reflectoring.awshelloworld;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class HelloWorldController {
+
+  @GetMapping("/hello")
+  public String helloWorld(){
+    return "Hello AWS (v4)!";
+  }
+
+}

aws/aws-hello-world/src/main/resources/application.properties

@@ -0,0 +1 @@
+

aws/aws-hello-world/src/test/java/io/reflectoring/awshelloworld/AwsHelloWorldApplicationTests.java

@@ -0,0 +1,13 @@
+package io.reflectoring.awshelloworld;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class AwsHelloWorldApplicationTests {
+
+	@Test
+	void contextLoads() {
+	}
+
+}

aws/aws-rds-hello-world/.gitignore

@@ -0,0 +1,32 @@
+HELP.md
+.gradle
+build/
+!gradle/wrapper/gradle-wrapper.jar
+!**/src/main/**
+!**/src/test/**
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+out/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+### VS Code ###
+.vscode/

aws/aws-rds-hello-world/Dockerfile

@@ -0,0 +1,5 @@
+FROM openjdk:8-jdk-alpine
+ARG JAR_FILE=build/libs/*.jar
+COPY ${JAR_FILE} app.jar
+ENTRYPOINT ["java","-jar","/app.jar"]
+EXPOSE 8080

aws/aws-rds-hello-world/README.md

@@ -0,0 +1,25 @@
+# RDS Hello World Application
+
+This is a simple Spring Boot application which requires access to a PostgreSQL database.
+
+The application has a single endpoint `/hello` which prints out if the database connection was successful.
+
+Get it in a Docker image via `docker pull reflectoring/aws-rds-hello-world`.
+
+Use the image instead of your real application to test AWS CloudFormation stacks which need access to a database.
+
+## Testing AWS RDS connectivity with this application
+
+1. Create an RDS PostgreSQL database with the AWS console.
+2. Note the endpoint of your RDS database in the AWS console.
+3. Deploy the Docker container `reflectoring/aws-rds-hello-world` into AWS instead of your real application (this could be via a CloudFormation stack, manually, or however you are deploying your app).
+4. Configure your deployment in a way that Docker will pass the coordinates to your RDS database as environment variables, equivalent to this command:
+    ``` 
+    docker run \
+      -e SPRING_DATASOURCE_URL=':'<RDS-ENDPOINT>:5432/postgres \
+      -e SPRING_DATASOURCE_USERNAME=<USERNAME> \
+      -e SPRING_DATASOURCE_PASSWORD=<PASSWORD> \
+      -p 8080:8080 reflectoring/aws-rds-hello-world
+    ```
+5. If the Spring Boot application can connect to the database, it will start up sucessfully and serve a message on the endpoint `/hello`.
+

aws/aws-rds-hello-world/build.gradle

@@ -0,0 +1,31 @@
+plugins {
+	id 'org.springframework.boot' version '2.2.4.RELEASE'
+	id 'io.spring.dependency-management' version '1.0.9.RELEASE'
+	id 'java'
+}
+
+group = 'io.reflectoring'
+version = '0.0.1-SNAPSHOT'
+sourceCompatibility = '1.8'
+
+repositories {
+	mavenCentral()
+}
+
+dependencies {
+	implementation 'org.springframework.boot:spring-boot-starter-web'
+
+	// database
+	implementation 'org.flywaydb:flyway-core'
+	implementation 'org.springframework.boot:spring-boot-starter-data-jdbc'
+	runtimeOnly 'org.postgresql:postgresql'
+	testRuntimeOnly 'org.postgresql:postgresql'
+
+	testImplementation('org.springframework.boot:spring-boot-starter-test') {
+		exclude group: 'org.junit.vintage', module: 'junit-vintage-engine'
+	}
+}
+
+test {
+	useJUnitPlatform()
+}

aws/aws-rds-hello-world/docker-compose.yml

@@ -0,0 +1,18 @@
+version: '3.7'
+
+services:
+
+  postgres:
+    container_name: "rds-hello-world"
+    image: postgres
+    volumes:
+      - rds-hello-world:/var/lib/postgresql/data
+    ports:
+      - 5432:5432
+    environment:
+      - POSTGRES_USER=hello
+      - POSTGRES_PASSWORD=hello
+
+volumes:
+  rds-hello-world:
+    driver: local

aws/aws-rds-hello-world/gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,5 @@
-#Sun Jul 30 16:58:54 CEST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.2-all.zip

aws/aws-rds-hello-world/gradlew

@@ -0,0 +1,172 @@
+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"

aws/aws-rds-hello-world/settings.gradle

@@ -0,0 +1 @@
+rootProject.name = 'aws-rds-hello-world'

aws/aws-rds-hello-world/src/main/java/io/reflectoring/awshelloworld/AwsHelloWorldApplication.java

@@ -0,0 +1,13 @@
+package io.reflectoring.awshelloworld;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class AwsHelloWorldApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(AwsHelloWorldApplication.class, args);
+	}
+
+}

aws/aws-rds-hello-world/src/main/java/io/reflectoring/awshelloworld/HelloWorldController.java

@@ -0,0 +1,23 @@
+package io.reflectoring.awshelloworld;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+class HelloWorldController {
+
+  private final UserRepository userRepository;
+
+  HelloWorldController(UserRepository userRepository) {
+    this.userRepository = userRepository;
+  }
+
+  @GetMapping("/hello")
+  String helloWorld(){
+
+    Iterable<User> users = userRepository.findAll();
+
+    return "Hello AWS! Successfully connected to the database!";
+  }
+
+}

aws/aws-rds-hello-world/src/main/java/io/reflectoring/awshelloworld/User.java

@@ -0,0 +1,38 @@
+package io.reflectoring.awshelloworld;
+
+import org.springframework.data.annotation.Id;
+import org.springframework.data.relational.core.mapping.Table;
+
+@Table("hello_user")
+public class User {
+
+    @Id
+    private Long id;
+
+    private String name;
+
+    public User(Long id, String name) {
+        this.id = id;
+        this.name = name;
+    }
+
+    public User() {
+
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+}

aws/aws-rds-hello-world/src/main/java/io/reflectoring/awshelloworld/UserRepository.java

@@ -0,0 +1,6 @@
+package io.reflectoring.awshelloworld;
+
+import org.springframework.data.repository.CrudRepository;
+
+public interface UserRepository extends CrudRepository<User, Long> {
+}

aws/aws-rds-hello-world/src/main/resources/application.yml

@@ -0,0 +1,5 @@
+spring:
+  datasource:
+    url: jdbc:postgresql://localhost:5432/hello
+    username: hello
+    password: hello

aws/aws-rds-hello-world/src/main/resources/db/migration/V001__create_table_user.sql

@@ -0,0 +1,5 @@
+create table hello_user (
+    id varchar(36) not null unique,
+    name varchar(100) not null,
+    primary key(id)
+);

aws/cloudformation/ecs-in-two-public-subnets/README.md

@@ -0,0 +1,8 @@
+# Overview
+
+![ECS in two public subnets](ecs-in-two-public-subnets.svg)
+
+# Companion Blog Post
+
+[The AWS Journey Part 2: Deploying a Docker image from the Command Line with CloudFormation](https://reflectoring.io/aws-cloudformation-deploy-docker-image/)
+

aws/cloudformation/ecs-in-two-public-subnets/ecs-in-two-public-subnets.drawio

@@ -0,0 +1 @@
+<mxfile modified="2020-04-30T21:28:18.347Z" host="app.diagrams.net" agent="5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Safari/537.36" etag="X9Eef2gSXNvxkCnmY-_0" version="13.0.4" type="device"><diagram id="Ht1M8jgEwFfnCIfOTk4-" name="Page-1">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</diagram></mxfile>

aws/cloudformation/ecs-in-two-public-subnets/network.yml

@@ -0,0 +1,247 @@
+AWSTemplateFormatVersion: '2010-09-09'
+Description: A network stack for deploying containers in AWS ECS.
+  This stack creates a VPC with two public subnets and a loadbalancer to balance traffic between those subnets.
+  Derived from a template at https://github.com/nathanpeck/aws-cloudformation-fargate.
+Resources:
+
+  VPC:
+    Type: AWS::EC2::VPC
+    Properties:
+      CidrBlock: '10.0.0.0/16'
+
+  PublicSubnetOne:
+    Type: AWS::EC2::Subnet
+    Properties:
+      AvailabilityZone:
+        Fn::Select:
+          - 0
+          - Fn::GetAZs: {Ref: 'AWS::Region'}
+      VpcId: !Ref 'VPC'
+      CidrBlock: '10.0.1.0/24'
+      MapPublicIpOnLaunch: true
+
+  PublicSubnetTwo:
+    Type: AWS::EC2::Subnet
+    Properties:
+      AvailabilityZone:
+        Fn::Select:
+          - 1
+          - Fn::GetAZs: {Ref: 'AWS::Region'}
+      VpcId: !Ref 'VPC'
+      CidrBlock: '10.0.2.0/24'
+      MapPublicIpOnLaunch: true
+
+  InternetGateway:
+    Type: AWS::EC2::InternetGateway
+
+  GatewayAttachement:
+    Type: AWS::EC2::VPCGatewayAttachment
+    Properties:
+      VpcId: !Ref 'VPC'
+      InternetGatewayId: !Ref 'InternetGateway'
+
+  PublicRouteTable:
+    Type: AWS::EC2::RouteTable
+    Properties:
+      VpcId: !Ref 'VPC'
+
+  PublicSubnetOneRouteTableAssociation:
+    Type: AWS::EC2::SubnetRouteTableAssociation
+    Properties:
+      SubnetId: !Ref PublicSubnetOne
+      RouteTableId: !Ref PublicRouteTable
+
+  PublicSubnetTwoRouteTableAssociation:
+    Type: AWS::EC2::SubnetRouteTableAssociation
+    Properties:
+      SubnetId: !Ref PublicSubnetTwo
+      RouteTableId: !Ref PublicRouteTable
+
+  PublicRoute:
+    Type: AWS::EC2::Route
+    DependsOn: GatewayAttachement
+    Properties:
+      RouteTableId: !Ref 'PublicRouteTable'
+      DestinationCidrBlock: '0.0.0.0/0'
+      GatewayId: !Ref 'InternetGateway'
+
+  PublicLoadBalancerSecurityGroup:
+    Type: AWS::EC2::SecurityGroup
+    Properties:
+      GroupDescription: Access to the public facing load balancer
+      VpcId: !Ref 'VPC'
+      SecurityGroupIngress:
+        # Allow access to ALB from anywhere on the internet
+        - CidrIp: 0.0.0.0/0
+          IpProtocol: -1
+
+  PublicLoadBalancer:
+    Type: AWS::ElasticLoadBalancingV2::LoadBalancer
+    Properties:
+      Scheme: internet-facing
+      Subnets:
+        # The load balancer is placed into the public subnets, so that traffic
+        # from the internet can reach the load balancer directly via the internet gateway
+        - !Ref PublicSubnetOne
+        - !Ref PublicSubnetTwo
+      SecurityGroups: [!Ref 'PublicLoadBalancerSecurityGroup']
+
+  DummyTargetGroupPublic:
+    Type: AWS::ElasticLoadBalancingV2::TargetGroup
+    Properties:
+      HealthCheckIntervalSeconds: 6
+      HealthCheckPath: /
+      HealthCheckProtocol: HTTP
+      HealthCheckTimeoutSeconds: 5
+      HealthyThresholdCount: 2
+      Name: "no-op"
+      Port: 80
+      Protocol: HTTP
+      UnhealthyThresholdCount: 2
+      VpcId: !Ref 'VPC'
+
+  PublicLoadBalancerListener:
+    Type: AWS::ElasticLoadBalancingV2::Listener
+    DependsOn:
+      - PublicLoadBalancer
+    Properties:
+      DefaultActions:
+        - TargetGroupArn: !Ref 'DummyTargetGroupPublic'
+          Type: 'forward'
+      LoadBalancerArn: !Ref 'PublicLoadBalancer'
+      Port: 80
+      Protocol: HTTP
+
+  ECSCluster:
+    Type: AWS::ECS::Cluster
+
+  ECSSecurityGroup:
+    Type: AWS::EC2::SecurityGroup
+    Properties:
+      GroupDescription: Access to the ECS containers
+      VpcId: !Ref 'VPC'
+
+  ECSSecurityGroupIngressFromPublicALB:
+    Type: AWS::EC2::SecurityGroupIngress
+    Properties:
+      Description: Ingress from the public ALB
+      GroupId: !Ref 'ECSSecurityGroup'
+      IpProtocol: -1
+      SourceSecurityGroupId: !Ref 'PublicLoadBalancerSecurityGroup'
+
+  ECSSecurityGroupIngressFromSelf:
+    Type: AWS::EC2::SecurityGroupIngress
+    Properties:
+      Description: Ingress from other containers in the same security group
+      GroupId: !Ref 'ECSSecurityGroup'
+      IpProtocol: -1
+      SourceSecurityGroupId: !Ref 'ECSSecurityGroup'
+
+  ECSRole:
+    Type: AWS::IAM::Role
+    Properties:
+      AssumeRolePolicyDocument:
+        Statement:
+          - Effect: Allow
+            Principal:
+              Service: [ecs.amazonaws.com]
+            Action: ['sts:AssumeRole']
+      Path: /
+      Policies:
+        - PolicyName: ecs-service
+          PolicyDocument:
+            Statement:
+              - Effect: Allow
+                Action:
+                  # Rules which allow ECS to attach network interfaces to instances
+                  # on your behalf in order for awsvpc networking mode to work right
+                  - 'ec2:AttachNetworkInterface'
+                  - 'ec2:CreateNetworkInterface'
+                  - 'ec2:CreateNetworkInterfacePermission'
+                  - 'ec2:DeleteNetworkInterface'
+                  - 'ec2:DeleteNetworkInterfacePermission'
+                  - 'ec2:Describe*'
+                  - 'ec2:DetachNetworkInterface'
+
+                  # Rules which allow ECS to update load balancers on your behalf
+                  # with the information sabout how to send traffic to your containers
+                  - 'elasticloadbalancing:DeregisterInstancesFromLoadBalancer'
+                  - 'elasticloadbalancing:DeregisterTargets'
+                  - 'elasticloadbalancing:Describe*'
+                  - 'elasticloadbalancing:RegisterInstancesWithLoadBalancer'
+                  - 'elasticloadbalancing:RegisterTargets'
+                Resource: '*'
+
+  ECSTaskExecutionRole:
+    Type: AWS::IAM::Role
+    Properties:
+      AssumeRolePolicyDocument:
+        Statement:
+          - Effect: Allow
+            Principal:
+              Service: [ecs-tasks.amazonaws.com]
+            Action: ['sts:AssumeRole']
+      Path: /
+      Policies:
+        - PolicyName: AmazonECSTaskExecutionRolePolicy
+          PolicyDocument:
+            Statement:
+              - Effect: Allow
+                Action:
+                  # Allow the ECS Tasks to download images from ECR
+                  - 'ecr:GetAuthorizationToken'
+                  - 'ecr:BatchCheckLayerAvailability'
+                  - 'ecr:GetDownloadUrlForLayer'
+                  - 'ecr:BatchGetImage'
+
+                  # Allow the ECS tasks to upload logs to CloudWatch
+                  - 'logs:CreateLogStream'
+                  - 'logs:PutLogEvents'
+                Resource: '*'
+
+Outputs:
+  ClusterName:
+    Description: The name of the ECS cluster
+    Value: !Ref 'ECSCluster'
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'ClusterName' ] ]
+  ExternalUrl:
+    Description: The url of the external load balancer
+    Value: !Join ['', ['http://', !GetAtt 'PublicLoadBalancer.DNSName']]
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'ExternalUrl' ] ]
+  ECSRole:
+    Description: The ARN of the ECS role
+    Value: !GetAtt 'ECSRole.Arn'
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'ECSRole' ] ]
+  ECSTaskExecutionRole:
+    Description: The ARN of the ECS role
+    Value: !GetAtt 'ECSTaskExecutionRole.Arn'
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'ECSTaskExecutionRole' ] ]
+  PublicListener:
+    Description: The ARN of the public load balancer's Listener
+    Value: !Ref PublicLoadBalancerListener
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'PublicListener' ] ]
+  VPCId:
+    Description: The ID of the VPC that this stack is deployed in
+    Value: !Ref 'VPC'
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'VPCId' ] ]
+  PublicSubnetOne:
+    Description: Public subnet one
+    Value: !Ref 'PublicSubnetOne'
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'PublicSubnetOne' ] ]
+  PublicSubnetTwo:
+    Description: Public subnet two
+    Value: !Ref 'PublicSubnetTwo'
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'PublicSubnetTwo' ] ]
+  ECSSecurityGroup:
+    Description: A security group used to allow ECS containers to receive traffic
+    Value: !Ref 'ECSSecurityGroup'
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'ECSSecurityGroup' ] ]

aws/cloudformation/ecs-in-two-public-subnets/service.yml

@@ -0,0 +1,139 @@
+AWSTemplateFormatVersion: '2010-09-09'
+Description: Deploy a service on AWS Fargate, hosted in two public subnets and accessible via a public load balancer.
+  Derived from a template at https://github.com/nathanpeck/aws-cloudformation-fargate.
+Parameters:
+  StackName:
+    Type: String
+    Description: The name of the networking stack that
+      these resources are put into.
+  ServiceName:
+    Type: String
+    Description: A human-readable name for the service.
+  HealthCheckPath:
+    Type: String
+    Default: /health
+    Description: Path to perform the healthcheck on each instance.
+  HealthCheckIntervalSeconds:
+    Type: Number
+    Default: 5
+    Description: Number of seconds to wait between each health check.
+  ImageUrl:
+    Type: String
+    Description: The url of a docker image that will handle incoming traffic.
+  ContainerPort:
+    Type: Number
+    Default: 80
+    Description: The port number the application inside the docker container
+      is binding to.
+  ContainerCpu:
+    Type: Number
+    Default: 256
+    Description: How much CPU to give the container. 1024 is 1 CPU.
+  ContainerMemory:
+    Type: Number
+    Default: 512
+    Description: How much memory in megabytes to give the container.
+  Path:
+    Type: String
+    Default: "*"
+    Description: A path on the public load balancer that this service
+      should be connected to.
+  DesiredCount:
+    Type: Number
+    Default: 2
+    Description: How many copies of the service task to run.
+
+Resources:
+
+  TargetGroup:
+    Type: AWS::ElasticLoadBalancingV2::TargetGroup
+    Properties:
+      HealthCheckIntervalSeconds: !Ref 'HealthCheckIntervalSeconds'
+      HealthCheckPath: !Ref 'HealthCheckPath'
+      HealthCheckProtocol: HTTP
+      HealthCheckTimeoutSeconds: 5
+      HealthyThresholdCount: 2
+      TargetType: ip
+      Name: !Ref 'ServiceName'
+      Port: !Ref 'ContainerPort'
+      Protocol: HTTP
+      UnhealthyThresholdCount: 2
+      VpcId:
+        Fn::ImportValue:
+          !Join [':', [!Ref 'StackName', 'VPCId']]
+
+  LoadBalancerRule:
+    Type: AWS::ElasticLoadBalancingV2::ListenerRule
+    Properties:
+      Actions:
+        - TargetGroupArn: !Ref 'TargetGroup'
+          Type: 'forward'
+      Conditions:
+        - Field: path-pattern
+          Values: [!Ref 'Path']
+      ListenerArn:
+        Fn::ImportValue:
+          !Join [':', [!Ref 'StackName', 'PublicListener']]
+      Priority: 1
+
+  LogGroup:
+    Type: AWS::Logs::LogGroup
+    Properties:
+      LogGroupName: !Ref 'ServiceName'
+      RetentionInDays: 1
+
+  TaskDefinition:
+    Type: AWS::ECS::TaskDefinition
+    Properties:
+      Family: !Ref 'ServiceName'
+      Cpu: !Ref 'ContainerCpu'
+      Memory: !Ref 'ContainerMemory'
+      NetworkMode: awsvpc
+      RequiresCompatibilities:
+        - FARGATE
+      ExecutionRoleArn:
+        Fn::ImportValue:
+          !Join [':', [!Ref 'StackName', 'ECSTaskExecutionRole']]
+      ContainerDefinitions:
+        - Name: !Ref 'ServiceName'
+          Cpu: !Ref 'ContainerCpu'
+          Memory: !Ref 'ContainerMemory'
+          Image: !Ref 'ImageUrl'
+          PortMappings:
+            - ContainerPort: !Ref 'ContainerPort'
+          LogConfiguration:
+            LogDriver: 'awslogs'
+            Options:
+              awslogs-group: !Ref 'ServiceName'
+              awslogs-region: !Ref AWS::Region
+              awslogs-stream-prefix: !Ref 'ServiceName'
+
+  Service:
+    Type: AWS::ECS::Service
+    DependsOn: LoadBalancerRule
+    Properties:
+      ServiceName: !Ref 'ServiceName'
+      Cluster:
+        Fn::ImportValue:
+          !Join [':', [!Ref 'StackName', 'ClusterName']]
+      LaunchType: FARGATE
+      DeploymentConfiguration:
+        MaximumPercent: 200
+        MinimumHealthyPercent: 50
+      DesiredCount: !Ref 'DesiredCount'
+      NetworkConfiguration:
+        AwsvpcConfiguration:
+          AssignPublicIp: ENABLED
+          SecurityGroups:
+            - Fn::ImportValue:
+                !Join [':', [!Ref 'StackName', 'ECSSecurityGroup']]
+          Subnets:
+            - Fn::ImportValue:
+                !Join [':', [!Ref 'StackName', 'PublicSubnetOne']]
+            - Fn::ImportValue:
+                !Join [':', [!Ref 'StackName', 'PublicSubnetTwo']]
+      TaskDefinition: !Ref 'TaskDefinition'
+      LoadBalancers:
+        - ContainerName: !Ref 'ServiceName'
+          ContainerPort: !Ref 'ContainerPort'
+          TargetGroupArn: !Ref 'TargetGroup'

aws/cloudformation/ecs-zero-downtime-deployment/README.md

@@ -0,0 +1,8 @@
+# Overview
+
+![ECS Zero Downtime Deployment](ecs-in-two-public-subnets.svg)
+
+# Companion Blog Post
+
+[The AWS Journey Part 4: Zero-Downtime Deployment with CloudFormation and ECS](https://reflectoring.io/aws-cloudformation-ecs-deployment/)
+

aws/cloudformation/ecs-zero-downtime-deployment/create-change-set.sh

@@ -0,0 +1,18 @@
+# Turning off the AWS pager so that the CLI doesn't open an editor for each command result
+export AWS_PAGER=""
+
+aws cloudformation create-change-set \
+  --change-set-name update-reflectoring-ecs-zero-downtime-deployment-service \
+  --stack-name reflectoring-ecs-zero-downtime-deployment-service \
+  --use-previous-template \
+  --parameters \
+      ParameterKey=StackName,ParameterValue=reflectoring-ecs-zero-downtime-deployment-network \
+      ParameterKey=ServiceName,ParameterValue=reflectoring-hello-world \
+      ParameterKey=ImageUrl,ParameterValue=docker.io/reflectoring/aws-hello-world:v4 \
+      ParameterKey=ContainerPort,ParameterValue=8080 \
+      ParameterKey=HealthCheckPath,ParameterValue=/hello \
+      ParameterKey=HealthCheckIntervalSeconds,ParameterValue=90
+
+aws cloudformation describe-change-set \
+  --stack-name reflectoring-ecs-zero-downtime-deployment-service \
+  --change-set-name update-reflectoring-ecs-zero-downtime-deployment-service

aws/cloudformation/ecs-zero-downtime-deployment/create.sh

@@ -0,0 +1,22 @@
+# Turning off the AWS pager so that the CLI doesn't open an editor for each command result
+export AWS_PAGER=""
+
+aws cloudformation create-stack \
+  --stack-name reflectoring-ecs-zero-downtime-deployment-network \
+  --template-body file://network.yml \
+  --capabilities CAPABILITY_IAM
+
+aws cloudformation wait stack-create-complete --stack-name reflectoring-ecs-zero-downtime-deployment-network
+
+aws cloudformation create-stack \
+  --stack-name reflectoring-ecs-zero-downtime-deployment-service \
+  --template-body file://service.yml \
+  --parameters \
+      ParameterKey=StackName,ParameterValue=reflectoring-ecs-zero-downtime-deployment-network \
+      ParameterKey=ServiceName,ParameterValue=reflectoring-hello-world \
+      ParameterKey=ImageUrl,ParameterValue=docker.io/reflectoring/aws-hello-world:v3 \
+      ParameterKey=ContainerPort,ParameterValue=8080 \
+      ParameterKey=HealthCheckPath,ParameterValue=/hello \
+      ParameterKey=HealthCheckIntervalSeconds,ParameterValue=90
+
+aws cloudformation wait stack-create-complete --stack-name reflectoring-ecs-zero-downtime-deployment-service

aws/cloudformation/ecs-zero-downtime-deployment/delete.sh

@@ -0,0 +1,8 @@
+# Turning off the AWS pager so that the CLI doesn't open an editor for each command result
+export AWS_PAGER=""
+
+aws cloudformation delete-stack --stack-name reflectoring-ecs-zero-downtime-deployment-service
+aws cloudformation wait stack-delete-complete --stack-name reflectoring-ecs-zero-downtime-deployment-service
+
+aws cloudformation delete-stack --stack-name reflectoring-ecs-zero-downtime-deployment-network
+aws cloudformation wait stack-delete-complete --stack-name reflectoring-ecs-zero-downtime-deployment-network

aws/cloudformation/ecs-zero-downtime-deployment/ecs-in-two-public-subnets.drawio

@@ -0,0 +1 @@
+<mxfile modified="2020-04-30T21:28:18.347Z" host="app.diagrams.net" agent="5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Safari/537.36" etag="X9Eef2gSXNvxkCnmY-_0" version="13.0.4" type="device"><diagram id="Ht1M8jgEwFfnCIfOTk4-" name="Page-1">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</diagram></mxfile>

aws/cloudformation/ecs-zero-downtime-deployment/execute-change-set.sh

@@ -0,0 +1,8 @@
+# Turning off the AWS pager so that the CLI doesn't open an editor for each command result
+export AWS_PAGER=""
+
+aws cloudformation execute-change-set \
+  --stack-name reflectoring-ecs-zero-downtime-deployment-service \
+  --change-set-name update-reflectoring-ecs-zero-downtime-deployment-service
+
+aws cloudformation wait stack-update-complete --stack-name reflectoring-ecs-zero-downtime-deployment-service

aws/cloudformation/ecs-zero-downtime-deployment/network.yml

@@ -0,0 +1,247 @@
+AWSTemplateFormatVersion: '2010-09-09'
+Description: A network stack for deploying containers in AWS ECS.
+  This stack creates a VPC with two public subnets and a loadbalancer to balance traffic between those subnets.
+  Derived from a template at https://github.com/nathanpeck/aws-cloudformation-fargate.
+Resources:
+
+  VPC:
+    Type: AWS::EC2::VPC
+    Properties:
+      CidrBlock: '10.0.0.0/16'
+
+  PublicSubnetOne:
+    Type: AWS::EC2::Subnet
+    Properties:
+      AvailabilityZone:
+        Fn::Select:
+          - 0
+          - Fn::GetAZs: {Ref: 'AWS::Region'}
+      VpcId: !Ref 'VPC'
+      CidrBlock: '10.0.1.0/24'
+      MapPublicIpOnLaunch: true
+
+  PublicSubnetTwo:
+    Type: AWS::EC2::Subnet
+    Properties:
+      AvailabilityZone:
+        Fn::Select:
+          - 1
+          - Fn::GetAZs: {Ref: 'AWS::Region'}
+      VpcId: !Ref 'VPC'
+      CidrBlock: '10.0.2.0/24'
+      MapPublicIpOnLaunch: true
+
+  InternetGateway:
+    Type: AWS::EC2::InternetGateway
+
+  GatewayAttachement:
+    Type: AWS::EC2::VPCGatewayAttachment
+    Properties:
+      VpcId: !Ref 'VPC'
+      InternetGatewayId: !Ref 'InternetGateway'
+
+  PublicRouteTable:
+    Type: AWS::EC2::RouteTable
+    Properties:
+      VpcId: !Ref 'VPC'
+
+  PublicSubnetOneRouteTableAssociation:
+    Type: AWS::EC2::SubnetRouteTableAssociation
+    Properties:
+      SubnetId: !Ref PublicSubnetOne
+      RouteTableId: !Ref PublicRouteTable
+
+  PublicSubnetTwoRouteTableAssociation:
+    Type: AWS::EC2::SubnetRouteTableAssociation
+    Properties:
+      SubnetId: !Ref PublicSubnetTwo
+      RouteTableId: !Ref PublicRouteTable
+
+  PublicRoute:
+    Type: AWS::EC2::Route
+    DependsOn: GatewayAttachement
+    Properties:
+      RouteTableId: !Ref 'PublicRouteTable'
+      DestinationCidrBlock: '0.0.0.0/0'
+      GatewayId: !Ref 'InternetGateway'
+
+  PublicLoadBalancerSecurityGroup:
+    Type: AWS::EC2::SecurityGroup
+    Properties:
+      GroupDescription: Access to the public facing load balancer
+      VpcId: !Ref 'VPC'
+      SecurityGroupIngress:
+        # Allow access to ALB from anywhere on the internet
+        - CidrIp: 0.0.0.0/0
+          IpProtocol: -1
+
+  PublicLoadBalancer:
+    Type: AWS::ElasticLoadBalancingV2::LoadBalancer
+    Properties:
+      Scheme: internet-facing
+      Subnets:
+        # The load balancer is placed into the public subnets, so that traffic
+        # from the internet can reach the load balancer directly via the internet gateway
+        - !Ref PublicSubnetOne
+        - !Ref PublicSubnetTwo
+      SecurityGroups: [!Ref 'PublicLoadBalancerSecurityGroup']
+
+  DummyTargetGroupPublic:
+    Type: AWS::ElasticLoadBalancingV2::TargetGroup
+    Properties:
+      HealthCheckIntervalSeconds: 6
+      HealthCheckPath: /
+      HealthCheckProtocol: HTTP
+      HealthCheckTimeoutSeconds: 5
+      HealthyThresholdCount: 2
+      Name: "no-op"
+      Port: 80
+      Protocol: HTTP
+      UnhealthyThresholdCount: 2
+      VpcId: !Ref 'VPC'
+
+  PublicLoadBalancerListener:
+    Type: AWS::ElasticLoadBalancingV2::Listener
+    DependsOn:
+      - PublicLoadBalancer
+    Properties:
+      DefaultActions:
+        - TargetGroupArn: !Ref 'DummyTargetGroupPublic'
+          Type: 'forward'
+      LoadBalancerArn: !Ref 'PublicLoadBalancer'
+      Port: 80
+      Protocol: HTTP
+
+  ECSCluster:
+    Type: AWS::ECS::Cluster
+
+  ECSSecurityGroup:
+    Type: AWS::EC2::SecurityGroup
+    Properties:
+      GroupDescription: Access to the ECS containers
+      VpcId: !Ref 'VPC'
+
+  ECSSecurityGroupIngressFromPublicALB:
+    Type: AWS::EC2::SecurityGroupIngress
+    Properties:
+      Description: Ingress from the public ALB
+      GroupId: !Ref 'ECSSecurityGroup'
+      IpProtocol: -1
+      SourceSecurityGroupId: !Ref 'PublicLoadBalancerSecurityGroup'
+
+  ECSSecurityGroupIngressFromSelf:
+    Type: AWS::EC2::SecurityGroupIngress
+    Properties:
+      Description: Ingress from other containers in the same security group
+      GroupId: !Ref 'ECSSecurityGroup'
+      IpProtocol: -1
+      SourceSecurityGroupId: !Ref 'ECSSecurityGroup'
+
+  ECSRole:
+    Type: AWS::IAM::Role
+    Properties:
+      AssumeRolePolicyDocument:
+        Statement:
+          - Effect: Allow
+            Principal:
+              Service: [ecs.amazonaws.com]
+            Action: ['sts:AssumeRole']
+      Path: /
+      Policies:
+        - PolicyName: ecs-service
+          PolicyDocument:
+            Statement:
+              - Effect: Allow
+                Action:
+                  # Rules which allow ECS to attach network interfaces to instances
+                  # on your behalf in order for awsvpc networking mode to work right
+                  - 'ec2:AttachNetworkInterface'
+                  - 'ec2:CreateNetworkInterface'
+                  - 'ec2:CreateNetworkInterfacePermission'
+                  - 'ec2:DeleteNetworkInterface'
+                  - 'ec2:DeleteNetworkInterfacePermission'
+                  - 'ec2:Describe*'
+                  - 'ec2:DetachNetworkInterface'
+
+                  # Rules which allow ECS to update load balancers on your behalf
+                  # with the information sabout how to send traffic to your containers
+                  - 'elasticloadbalancing:DeregisterInstancesFromLoadBalancer'
+                  - 'elasticloadbalancing:DeregisterTargets'
+                  - 'elasticloadbalancing:Describe*'
+                  - 'elasticloadbalancing:RegisterInstancesWithLoadBalancer'
+                  - 'elasticloadbalancing:RegisterTargets'
+                Resource: '*'
+
+  ECSTaskExecutionRole:
+    Type: AWS::IAM::Role
+    Properties:
+      AssumeRolePolicyDocument:
+        Statement:
+          - Effect: Allow
+            Principal:
+              Service: [ecs-tasks.amazonaws.com]
+            Action: ['sts:AssumeRole']
+      Path: /
+      Policies:
+        - PolicyName: AmazonECSTaskExecutionRolePolicy
+          PolicyDocument:
+            Statement:
+              - Effect: Allow
+                Action:
+                  # Allow the ECS Tasks to download images from ECR
+                  - 'ecr:GetAuthorizationToken'
+                  - 'ecr:BatchCheckLayerAvailability'
+                  - 'ecr:GetDownloadUrlForLayer'
+                  - 'ecr:BatchGetImage'
+
+                  # Allow the ECS tasks to upload logs to CloudWatch
+                  - 'logs:CreateLogStream'
+                  - 'logs:PutLogEvents'
+                Resource: '*'
+
+Outputs:
+  ClusterName:
+    Description: The name of the ECS cluster
+    Value: !Ref 'ECSCluster'
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'ClusterName' ] ]
+  ExternalUrl:
+    Description: The url of the external load balancer
+    Value: !Join ['', ['http://', !GetAtt 'PublicLoadBalancer.DNSName']]
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'ExternalUrl' ] ]
+  ECSRole:
+    Description: The ARN of the ECS role
+    Value: !GetAtt 'ECSRole.Arn'
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'ECSRole' ] ]
+  ECSTaskExecutionRole:
+    Description: The ARN of the ECS role
+    Value: !GetAtt 'ECSTaskExecutionRole.Arn'
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'ECSTaskExecutionRole' ] ]
+  PublicListener:
+    Description: The ARN of the public load balancer's Listener
+    Value: !Ref PublicLoadBalancerListener
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'PublicListener' ] ]
+  VPCId:
+    Description: The ID of the VPC that this stack is deployed in
+    Value: !Ref 'VPC'
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'VPCId' ] ]
+  PublicSubnetOne:
+    Description: Public subnet one
+    Value: !Ref 'PublicSubnetOne'
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'PublicSubnetOne' ] ]
+  PublicSubnetTwo:
+    Description: Public subnet two
+    Value: !Ref 'PublicSubnetTwo'
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'PublicSubnetTwo' ] ]
+  ECSSecurityGroup:
+    Description: A security group used to allow ECS containers to receive traffic
+    Value: !Ref 'ECSSecurityGroup'
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'ECSSecurityGroup' ] ]

aws/cloudformation/ecs-zero-downtime-deployment/service.yml

@@ -0,0 +1,139 @@
+AWSTemplateFormatVersion: '2010-09-09'
+Description: Deploy a service on AWS Fargate, hosted in two public subnets and accessible via a public load balancer.
+  Derived from a template at https://github.com/nathanpeck/aws-cloudformation-fargate.
+Parameters:
+  StackName:
+    Type: String
+    Description: The name of the networking stack that
+      these resources are put into.
+  ServiceName:
+    Type: String
+    Description: A human-readable name for the service.
+  HealthCheckPath:
+    Type: String
+    Default: /health
+    Description: Path to perform the healthcheck on each instance.
+  HealthCheckIntervalSeconds:
+    Type: Number
+    Default: 5
+    Description: Number of seconds to wait between each health check.
+  ImageUrl:
+    Type: String
+    Description: The url of a docker image that will handle incoming traffic.
+  ContainerPort:
+    Type: Number
+    Default: 80
+    Description: The port number the application inside the docker container
+      is binding to.
+  ContainerCpu:
+    Type: Number
+    Default: 256
+    Description: How much CPU to give the container. 1024 is 1 CPU.
+  ContainerMemory:
+    Type: Number
+    Default: 512
+    Description: How much memory in megabytes to give the container.
+  Path:
+    Type: String
+    Default: "*"
+    Description: A path on the public load balancer that this service
+      should be connected to.
+  DesiredCount:
+    Type: Number
+    Default: 2
+    Description: How many copies of the service task to run.
+
+Resources:
+
+  TargetGroup:
+    Type: AWS::ElasticLoadBalancingV2::TargetGroup
+    Properties:
+      HealthCheckIntervalSeconds: !Ref 'HealthCheckIntervalSeconds'
+      HealthCheckPath: !Ref 'HealthCheckPath'
+      HealthCheckProtocol: HTTP
+      HealthCheckTimeoutSeconds: 5
+      HealthyThresholdCount: 2
+      TargetType: ip
+      Name: !Ref 'ServiceName'
+      Port: !Ref 'ContainerPort'
+      Protocol: HTTP
+      UnhealthyThresholdCount: 2
+      VpcId:
+        Fn::ImportValue:
+          !Join [':', [!Ref 'StackName', 'VPCId']]
+
+  LoadBalancerRule:
+    Type: AWS::ElasticLoadBalancingV2::ListenerRule
+    Properties:
+      Actions:
+        - TargetGroupArn: !Ref 'TargetGroup'
+          Type: 'forward'
+      Conditions:
+        - Field: path-pattern
+          Values: [!Ref 'Path']
+      ListenerArn:
+        Fn::ImportValue:
+          !Join [':', [!Ref 'StackName', 'PublicListener']]
+      Priority: 1
+
+  LogGroup:
+    Type: AWS::Logs::LogGroup
+    Properties:
+      LogGroupName: !Ref 'ServiceName'
+      RetentionInDays: 1
+
+  TaskDefinition:
+    Type: AWS::ECS::TaskDefinition
+    Properties:
+      Family: !Ref 'ServiceName'
+      Cpu: !Ref 'ContainerCpu'
+      Memory: !Ref 'ContainerMemory'
+      NetworkMode: awsvpc
+      RequiresCompatibilities:
+        - FARGATE
+      ExecutionRoleArn:
+        Fn::ImportValue:
+          !Join [':', [!Ref 'StackName', 'ECSTaskExecutionRole']]
+      ContainerDefinitions:
+        - Name: !Ref 'ServiceName'
+          Cpu: !Ref 'ContainerCpu'
+          Memory: !Ref 'ContainerMemory'
+          Image: !Ref 'ImageUrl'
+          PortMappings:
+            - ContainerPort: !Ref 'ContainerPort'
+          LogConfiguration:
+            LogDriver: 'awslogs'
+            Options:
+              awslogs-group: !Ref 'ServiceName'
+              awslogs-region: !Ref AWS::Region
+              awslogs-stream-prefix: !Ref 'ServiceName'
+
+  Service:
+    Type: AWS::ECS::Service
+    DependsOn: LoadBalancerRule
+    Properties:
+      ServiceName: !Ref 'ServiceName'
+      Cluster:
+        Fn::ImportValue:
+          !Join [':', [!Ref 'StackName', 'ClusterName']]
+      LaunchType: FARGATE
+      DeploymentConfiguration:
+        MaximumPercent: 200
+        MinimumHealthyPercent: 50
+      DesiredCount: !Ref 'DesiredCount'
+      NetworkConfiguration:
+        AwsvpcConfiguration:
+          AssignPublicIp: ENABLED
+          SecurityGroups:
+            - Fn::ImportValue:
+                !Join [':', [!Ref 'StackName', 'ECSSecurityGroup']]
+          Subnets:
+            - Fn::ImportValue:
+                !Join [':', [!Ref 'StackName', 'PublicSubnetOne']]
+            - Fn::ImportValue:
+                !Join [':', [!Ref 'StackName', 'PublicSubnetTwo']]
+      TaskDefinition: !Ref 'TaskDefinition'
+      LoadBalancers:
+        - ContainerName: !Ref 'ServiceName'
+          ContainerPort: !Ref 'ContainerPort'
+          TargetGroupArn: !Ref 'TargetGroup'

aws/cloudformation/ecs-zero-downtime-deployment/task.yml

@@ -0,0 +1,109 @@
+AWSTemplateFormatVersion: '2010-09-09'
+Description: Deploy a service on AWS Fargate, hosted in two public subnets and accessible via a public load balancer.
+  Derived from a template at https://github.com/nathanpeck/aws-cloudformation-fargate.
+Parameters:
+  StackName:
+    Type: String
+    Description: The name of the networking stack that
+      these resources are put into.
+  ServiceName:
+    Type: String
+    Description: A human-readable name for the service.
+  HealthCheckPath:
+    Type: String
+    Default: /health
+    Description: Path to perform the healthcheck on each instance.
+  HealthCheckIntervalSeconds:
+    Type: Number
+    Default: 5
+    Description: Number of seconds to wait between each health check.
+  ImageUrl:
+    Type: String
+    Description: The url of a docker image that will handle incoming traffic.
+  ContainerPort:
+    Type: Number
+    Default: 80
+    Description: The port number the application inside the docker container
+      is binding to.
+  ContainerCpu:
+    Type: Number
+    Default: 256
+    Description: How much CPU to give the container. 1024 is 1 CPU.
+  ContainerMemory:
+    Type: Number
+    Default: 512
+    Description: How much memory in megabytes to give the container.
+  Path:
+    Type: String
+    Default: "*"
+    Description: A path on the public load balancer that this service
+      should be connected to.
+  DesiredCount:
+    Type: Number
+    Default: 2
+    Description: How many copies of the service task to run.
+
+Resources:
+
+  TargetGroup:
+    Type: AWS::ElasticLoadBalancingV2::TargetGroup
+    Properties:
+      HealthCheckIntervalSeconds: !Ref 'HealthCheckIntervalSeconds'
+      HealthCheckPath: !Ref 'HealthCheckPath'
+      HealthCheckProtocol: HTTP
+      HealthCheckTimeoutSeconds: 5
+      HealthyThresholdCount: 2
+      TargetType: ip
+      Name: !Ref 'ServiceName'
+      Port: !Ref 'ContainerPort'
+      Protocol: HTTP
+      UnhealthyThresholdCount: 2
+      VpcId:
+        Fn::ImportValue:
+          !Join [':', [!Ref 'StackName', 'VPCId']]
+
+  LoadBalancerRule:
+    Type: AWS::ElasticLoadBalancingV2::ListenerRule
+    Properties:
+      Actions:
+        - TargetGroupArn: !Ref 'TargetGroup'
+          Type: 'forward'
+      Conditions:
+        - Field: path-pattern
+          Values: [!Ref 'Path']
+      ListenerArn:
+        Fn::ImportValue:
+          !Join [':', [!Ref 'StackName', 'PublicListener']]
+      Priority: 1
+
+  LogGroup:
+    Type: AWS::Logs::LogGroup
+    Properties:
+      LogGroupName: !Ref 'ServiceName'
+      RetentionInDays: 1
+
+  TaskDefinition:
+    Type: AWS::ECS::TaskDefinition
+    Properties:
+      Family: !Ref 'ServiceName'
+      Cpu: !Ref 'ContainerCpu'
+      Memory: !Ref 'ContainerMemory'
+      NetworkMode: awsvpc
+      RequiresCompatibilities:
+        - FARGATE
+      ExecutionRoleArn:
+        Fn::ImportValue:
+          !Join [':', [!Ref 'StackName', 'ECSTaskExecutionRole']]
+      ContainerDefinitions:
+        - Name: !Ref 'ServiceName'
+          Cpu: !Ref 'ContainerCpu'
+          Memory: !Ref 'ContainerMemory'
+          Image: !Ref 'ImageUrl'
+          PortMappings:
+            - ContainerPort: !Ref 'ContainerPort'
+          LogConfiguration:
+            LogDriver: 'awslogs'
+            Options:
+              awslogs-group: !Ref 'ServiceName'
+              awslogs-region: !Ref AWS::Region
+              awslogs-stream-prefix: !Ref 'ServiceName'

aws/cloudformation/ecs-zero-downtime-deployment/update.sh

@@ -0,0 +1,17 @@
+# Turning off the AWS pager so that the CLI doesn't open an editor for each command result
+export AWS_PAGER=""
+
+IMAGE_URL=$1
+
+aws cloudformation update-stack \
+  --stack-name reflectoring-ecs-zero-downtime-deployment-service \
+  --use-previous-template \
+  --parameters \
+      ParameterKey=StackName,ParameterValue=reflectoring-ecs-zero-downtime-deployment-network \
+      ParameterKey=ServiceName,ParameterValue=reflectoring-hello-world \
+      ParameterKey=ImageUrl,ParameterValue=$IMAGE_URL \
+      ParameterKey=ContainerPort,ParameterValue=8080 \
+      ParameterKey=HealthCheckPath,ParameterValue=/hello \
+      ParameterKey=HealthCheckIntervalSeconds,ParameterValue=90
+
+aws cloudformation wait stack-update-complete --stack-name reflectoring-ecs-zero-downtime-deployment-service

aws/cloudformation/rds-in-private-subnet/README.md

@@ -0,0 +1,7 @@
+# Overview
+
+![RDS in private subnet](rds-in-private-subnet.svg)
+
+# Companion Blog Post
+
+[The AWS Journey Part 3: Connecting a Spring Boot Application to an RDS Instance with CloudFormation](https://reflectoring.io/aws-cloudformation-rds/)

aws/cloudformation/rds-in-private-subnet/database.yml

@@ -0,0 +1,88 @@
+AWSTemplateFormatVersion: '2010-09-09'
+Description: A stack that creates an RDS instance and places it into two subnets
+Parameters:
+  NetworkStackName:
+    Type: String
+    Description: The name of the networking stack that this stack will build upon.
+  DBInstanceClass:
+    Type: String
+    Description: The ID of the second subnet to place the RDS instance into.
+    Default: 'db.t2.micro'
+  DBName:
+    Type: String
+    Description: The name of the database that is created within the PostgreSQL instance.
+  DBUsername:
+    Type: String
+    Description: The master user name for the PostgreSQL instance.
+Resources:
+
+  Secret:
+    Type: "AWS::SecretsManager::Secret"
+    Properties:
+      Name: !Ref 'DBUsername'
+      GenerateSecretString:
+        # This will generate a JSON object with the keys "username" and password.
+        SecretStringTemplate: !Join ['', ['{"username": "', !Ref 'DBUsername' ,'"}']]
+        GenerateStringKey: "password"
+        PasswordLength: 32
+        ExcludeCharacters: '"@/\'
+
+  DBSubnetGroup:
+    Type: AWS::RDS::DBSubnetGroup
+    Properties:
+      DBSubnetGroupDescription: Subnet group for the RDS instance
+      DBSubnetGroupName: DBSubnetGroup
+      SubnetIds:
+        - Fn::ImportValue:
+            !Join [':', [!Ref 'NetworkStackName', 'PrivateSubnetOne']]
+        - Fn::ImportValue:
+            !Join [':', [!Ref 'NetworkStackName', 'PrivateSubnetTwo']]
+
+  PostgresInstance:
+    Type: AWS::RDS::DBInstance
+    Properties:
+      AllocatedStorage: 20
+      AvailabilityZone:
+        Fn::Select:
+          - 0
+          - Fn::GetAZs: {Ref: 'AWS::Region'}
+      DBInstanceClass: !Ref 'DBInstanceClass'
+      DBName: !Ref 'DBName'
+      DBSubnetGroupName: !Ref 'DBSubnetGroup'
+      Engine: postgres
+      EngineVersion: 11.5
+      MasterUsername: !Ref 'DBUsername'
+      MasterUserPassword: !Join ['', ['{{resolve:secretsmanager:', !Ref Secret, ':SecretString:password}}' ]]
+      PubliclyAccessible: false
+      VPCSecurityGroups:
+        - Fn::ImportValue:
+            !Join [':', [!Ref 'NetworkStackName', 'DBSecurityGroupId']]
+
+  SecretRDSInstanceAttachment:
+    Type: "AWS::SecretsManager::SecretTargetAttachment"
+    Properties:
+      SecretId: !Ref Secret
+      TargetId: !Ref PostgresInstance
+      TargetType: AWS::RDS::DBInstance
+
+Outputs:
+  EndpointAddress:
+    Description: Address of the RDS endpoint.
+    Value: !GetAtt 'PostgresInstance.Endpoint.Address'
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'EndpointAddress' ] ]
+  EndpointPort:
+    Description: Port of the RDS endpoint.
+    Value: !GetAtt 'PostgresInstance.Endpoint.Port'
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'EndpointPort' ] ]
+  DBName:
+    Description: The name of the database that is created within the PostgreSQL instance.
+    Value: !Ref DBName
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'DBName' ] ]
+  Secret:
+    Description: Reference to the secret containing the password to the database.
+    Value: !Ref 'Secret'
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'Secret' ] ]

aws/cloudformation/rds-in-private-subnet/network.yml

@@ -0,0 +1,298 @@
+AWSTemplateFormatVersion: '2010-09-09'
+Description: A network stack for deploying containers in AWS ECS.
+  This stack creates a VPC with two public subnets and a loadbalancer to balance traffic between those subnets.
+  Derived from a template at https://github.com/nathanpeck/aws-cloudformation-fargate.
+Resources:
+
+  VPC:
+    Type: AWS::EC2::VPC
+    Properties:
+      CidrBlock: '10.0.0.0/16'
+
+  PublicSubnetOne:
+    Type: AWS::EC2::Subnet
+    Properties:
+      AvailabilityZone:
+        Fn::Select:
+          - 0
+          - Fn::GetAZs: {Ref: 'AWS::Region'}
+      VpcId: !Ref 'VPC'
+      CidrBlock: '10.0.1.0/24'
+      MapPublicIpOnLaunch: true
+
+  PublicSubnetTwo:
+    Type: AWS::EC2::Subnet
+    Properties:
+      AvailabilityZone:
+        Fn::Select:
+          - 1
+          - Fn::GetAZs: {Ref: 'AWS::Region'}
+      VpcId: !Ref 'VPC'
+      CidrBlock: '10.0.2.0/24'
+      MapPublicIpOnLaunch: true
+
+  InternetGateway:
+    Type: AWS::EC2::InternetGateway
+
+  GatewayAttachement:
+    Type: AWS::EC2::VPCGatewayAttachment
+    Properties:
+      VpcId: !Ref 'VPC'
+      InternetGatewayId: !Ref 'InternetGateway'
+
+  PublicRouteTable:
+    Type: AWS::EC2::RouteTable
+    Properties:
+      VpcId: !Ref 'VPC'
+
+  PublicSubnetOneRouteTableAssociation:
+    Type: AWS::EC2::SubnetRouteTableAssociation
+    Properties:
+      SubnetId: !Ref PublicSubnetOne
+      RouteTableId: !Ref PublicRouteTable
+
+  PublicSubnetTwoRouteTableAssociation:
+    Type: AWS::EC2::SubnetRouteTableAssociation
+    Properties:
+      SubnetId: !Ref PublicSubnetTwo
+      RouteTableId: !Ref PublicRouteTable
+
+  PublicRoute:
+    Type: AWS::EC2::Route
+    DependsOn: GatewayAttachement
+    Properties:
+      RouteTableId: !Ref 'PublicRouteTable'
+      DestinationCidrBlock: '0.0.0.0/0'
+      GatewayId: !Ref 'InternetGateway'
+
+  PublicLoadBalancerSecurityGroup:
+    Type: AWS::EC2::SecurityGroup
+    Properties:
+      GroupDescription: Access to the public facing load balancer
+      VpcId: !Ref 'VPC'
+      SecurityGroupIngress:
+        # Allow access to ALB from anywhere on the internet
+        - CidrIp: 0.0.0.0/0
+          IpProtocol: -1
+
+  PublicLoadBalancer:
+    Type: AWS::ElasticLoadBalancingV2::LoadBalancer
+    Properties:
+      Scheme: internet-facing
+      Subnets:
+        # The load balancer is placed into the public subnets, so that traffic
+        # from the internet can reach the load balancer directly via the internet gateway
+        - !Ref PublicSubnetOne
+        - !Ref PublicSubnetTwo
+      SecurityGroups: [!Ref 'PublicLoadBalancerSecurityGroup']
+
+  DummyTargetGroupPublic:
+    Type: AWS::ElasticLoadBalancingV2::TargetGroup
+    Properties:
+      HealthCheckIntervalSeconds: 6
+      HealthCheckPath: /
+      HealthCheckProtocol: HTTP
+      HealthCheckTimeoutSeconds: 5
+      HealthyThresholdCount: 2
+      Name: "no-op"
+      Port: 80
+      Protocol: HTTP
+      UnhealthyThresholdCount: 2
+      VpcId: !Ref 'VPC'
+
+  PublicLoadBalancerListener:
+    Type: AWS::ElasticLoadBalancingV2::Listener
+    DependsOn:
+      - PublicLoadBalancer
+    Properties:
+      DefaultActions:
+        - TargetGroupArn: !Ref 'DummyTargetGroupPublic'
+          Type: 'forward'
+      LoadBalancerArn: !Ref 'PublicLoadBalancer'
+      Port: 80
+      Protocol: HTTP
+
+  ECSCluster:
+    Type: AWS::ECS::Cluster
+
+  ECSSecurityGroup:
+    Type: AWS::EC2::SecurityGroup
+    Properties:
+      GroupDescription: Access to the ECS containers
+      VpcId: !Ref 'VPC'
+
+  ECSSecurityGroupIngressFromPublicALB:
+    Type: AWS::EC2::SecurityGroupIngress
+    Properties:
+      Description: Ingress from the public ALB
+      GroupId: !Ref 'ECSSecurityGroup'
+      IpProtocol: -1
+      SourceSecurityGroupId: !Ref 'PublicLoadBalancerSecurityGroup'
+
+  ECSSecurityGroupIngressFromSelf:
+    Type: AWS::EC2::SecurityGroupIngress
+    Properties:
+      Description: Ingress from other containers in the same security group
+      GroupId: !Ref 'ECSSecurityGroup'
+      IpProtocol: -1
+      SourceSecurityGroupId: !Ref 'ECSSecurityGroup'
+
+  ECSRole:
+    Type: AWS::IAM::Role
+    Properties:
+      AssumeRolePolicyDocument:
+        Statement:
+          - Effect: Allow
+            Principal:
+              Service: [ecs.amazonaws.com]
+            Action: ['sts:AssumeRole']
+      Path: /
+      Policies:
+        - PolicyName: ecs-service
+          PolicyDocument:
+            Statement:
+              - Effect: Allow
+                Action:
+                  # Rules which allow ECS to attach network interfaces to instances
+                  # on your behalf in order for awsvpc networking mode to work right
+                  - 'ec2:AttachNetworkInterface'
+                  - 'ec2:CreateNetworkInterface'
+                  - 'ec2:CreateNetworkInterfacePermission'
+                  - 'ec2:DeleteNetworkInterface'
+                  - 'ec2:DeleteNetworkInterfacePermission'
+                  - 'ec2:Describe*'
+                  - 'ec2:DetachNetworkInterface'
+
+                  # Rules which allow ECS to update load balancers on your behalf
+                  # with the information sabout how to send traffic to your containers
+                  - 'elasticloadbalancing:DeregisterInstancesFromLoadBalancer'
+                  - 'elasticloadbalancing:DeregisterTargets'
+                  - 'elasticloadbalancing:Describe*'
+                  - 'elasticloadbalancing:RegisterInstancesWithLoadBalancer'
+                  - 'elasticloadbalancing:RegisterTargets'
+                Resource: '*'
+
+  ECSTaskExecutionRole:
+    Type: AWS::IAM::Role
+    Properties:
+      AssumeRolePolicyDocument:
+        Statement:
+          - Effect: Allow
+            Principal:
+              Service: [ecs-tasks.amazonaws.com]
+            Action: ['sts:AssumeRole']
+      Path: /
+      Policies:
+        - PolicyName: AmazonECSTaskExecutionRolePolicy
+          PolicyDocument:
+            Statement:
+              - Effect: Allow
+                Action:
+                  # Allow the ECS Tasks to download images from ECR
+                  - 'ecr:GetAuthorizationToken'
+                  - 'ecr:BatchCheckLayerAvailability'
+                  - 'ecr:GetDownloadUrlForLayer'
+                  - 'ecr:BatchGetImage'
+
+                  # Allow the ECS tasks to upload logs to CloudWatch
+                  - 'logs:CreateLogStream'
+                  - 'logs:PutLogEvents'
+                Resource: '*'
+
+  PrivateSubnetOne:
+    Type: AWS::EC2::Subnet
+    Properties:
+      AvailabilityZone:
+        Fn::Select:
+          - 0
+          - Fn::GetAZs: {Ref: 'AWS::Region'}
+      VpcId: !Ref 'VPC'
+      CidrBlock: '10.0.101.0/24'
+      MapPublicIpOnLaunch: false
+
+  PrivateSubnetTwo:
+    Type: AWS::EC2::Subnet
+    Properties:
+      AvailabilityZone:
+        Fn::Select:
+          - 1
+          - Fn::GetAZs: {Ref: 'AWS::Region'}
+      VpcId: !Ref 'VPC'
+      CidrBlock: '10.0.102.0/24'
+      MapPublicIpOnLaunch: false
+
+  DBSecurityGroup:
+    Type: AWS::EC2::SecurityGroup
+    Properties:
+      GroupDescription: Access to the RDS instance
+      VpcId: !Ref 'VPC'
+
+  DBSecurityGroupIngressFromECS:
+    Type: AWS::EC2::SecurityGroupIngress
+    Properties:
+      Description: Ingress from the ECS containers to the RDS instance
+      GroupId: !Ref 'DBSecurityGroup'
+      IpProtocol: -1
+      SourceSecurityGroupId: !Ref 'ECSSecurityGroup'
+
+Outputs:
+  PrivateSubnetOne:
+    Description: Private subnet one
+    Value: !Ref 'PrivateSubnetOne'
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'PrivateSubnetOne' ] ]
+  PrivateSubnetTwo:
+    Description: Private subnet two
+    Value: !Ref 'PrivateSubnetTwo'
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'PrivateSubnetTwo' ] ]
+  DBSecurityGroupId:
+    Description: ID of the security group that an RDS instance can be placed into.
+    Value: !Ref 'DBSecurityGroup'
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'DBSecurityGroupId' ] ]
+  ClusterName:
+    Description: The name of the ECS cluster
+    Value: !Ref 'ECSCluster'
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'ClusterName' ] ]
+  ExternalUrl:
+    Description: The url of the external load balancer
+    Value: !Join ['', ['http://', !GetAtt 'PublicLoadBalancer.DNSName']]
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'ExternalUrl' ] ]
+  ECSRole:
+    Description: The ARN of the ECS role
+    Value: !GetAtt 'ECSRole.Arn'
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'ECSRole' ] ]
+  ECSTaskExecutionRole:
+    Description: The ARN of the ECS role
+    Value: !GetAtt 'ECSTaskExecutionRole.Arn'
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'ECSTaskExecutionRole' ] ]
+  PublicListener:
+    Description: The ARN of the public load balancer's Listener
+    Value: !Ref PublicLoadBalancerListener
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'PublicListener' ] ]
+  VPCId:
+    Description: The ID of the VPC that this stack is deployed in
+    Value: !Ref 'VPC'
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'VPCId' ] ]
+  PublicSubnetOne:
+    Description: Public subnet one
+    Value: !Ref 'PublicSubnetOne'
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'PublicSubnetOne' ] ]
+  PublicSubnetTwo:
+    Description: Public subnet two
+    Value: !Ref 'PublicSubnetTwo'
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'PublicSubnetTwo' ] ]
+  ECSSecurityGroup:
+    Description: A security group used to allow ECS containers to receive traffic
+    Value: !Ref 'ECSSecurityGroup'
+    Export:
+      Name: !Join [ ':', [ !Ref 'AWS::StackName', 'ECSSecurityGroup' ] ]

aws/cloudformation/rds-in-private-subnet/rds-in-private-subnet.drawio

@@ -0,0 +1 @@
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aws/cloudformation/rds-in-private-subnet/service.yml

@@ -0,0 +1,164 @@
+AWSTemplateFormatVersion: '2010-09-09'
+Description: Deploy a service on AWS Fargate, hosted in two public subnets and accessible via a public load balancer.
+  Derived from a template at https://github.com/nathanpeck/aws-cloudformation-fargate.
+Parameters:
+  NetworkStackName:
+    Type: String
+    Description: The name of the networking stack that
+      these resources are put into.
+  DatabaseStackName:
+    Type: String
+    Description: The name of the database stack with the database this service should connect to.
+  ServiceName:
+    Type: String
+    Description: A human-readable name for the service.
+  HealthCheckPath:
+    Type: String
+    Default: /health
+    Description: Path to perform the healthcheck on each instance.
+  HealthCheckIntervalSeconds:
+    Type: Number
+    Default: 5
+    Description: Number of seconds to wait between each health check.
+  ImageUrl:
+    Type: String
+    Description: The url of a docker image that will handle incoming traffic.
+  ContainerPort:
+    Type: Number
+    Default: 80
+    Description: The port number the application inside the docker container
+      is binding to.
+  ContainerCpu:
+    Type: Number
+    Default: 256
+    Description: How much CPU to give the container. 1024 is 1 CPU.
+  ContainerMemory:
+    Type: Number
+    Default: 512
+    Description: How much memory in megabytes to give the container.
+  Path:
+    Type: String
+    Default: "*"
+    Description: A path on the public load balancer that this service
+      should be connected to.
+  DesiredCount:
+    Type: Number
+    Default: 2
+    Description: How many copies of the service task to run.
+
+Resources:
+
+  TargetGroup:
+    Type: AWS::ElasticLoadBalancingV2::TargetGroup
+    Properties:
+      HealthCheckIntervalSeconds: !Ref 'HealthCheckIntervalSeconds'
+      HealthCheckPath: !Ref 'HealthCheckPath'
+      HealthCheckProtocol: HTTP
+      HealthCheckTimeoutSeconds: 5
+      HealthyThresholdCount: 2
+      TargetType: ip
+      Name: !Ref 'ServiceName'
+      Port: !Ref 'ContainerPort'
+      Protocol: HTTP
+      UnhealthyThresholdCount: 2
+      VpcId:
+        Fn::ImportValue:
+          !Join [':', [!Ref 'NetworkStackName', 'VPCId']]
+
+  LoadBalancerRule:
+    Type: AWS::ElasticLoadBalancingV2::ListenerRule
+    Properties:
+      Actions:
+        - TargetGroupArn: !Ref 'TargetGroup'
+          Type: 'forward'
+      Conditions:
+        - Field: path-pattern
+          Values: [!Ref 'Path']
+      ListenerArn:
+        Fn::ImportValue:
+          !Join [':', [!Ref 'NetworkStackName', 'PublicListener']]
+      Priority: 1
+
+  LogGroup:
+    Type: AWS::Logs::LogGroup
+    Properties:
+      LogGroupName: !Ref 'ServiceName'
+      RetentionInDays: 1
+
+  TaskDefinition:
+    Type: AWS::ECS::TaskDefinition
+    Properties:
+      Family: !Ref 'ServiceName'
+      Cpu: !Ref 'ContainerCpu'
+      Memory: !Ref 'ContainerMemory'
+      NetworkMode: awsvpc
+      RequiresCompatibilities:
+        - FARGATE
+      ExecutionRoleArn:
+        Fn::ImportValue:
+          !Join [':', [!Ref 'NetworkStackName', 'ECSTaskExecutionRole']]
+      ContainerDefinitions:
+        - Name: !Ref 'ServiceName'
+          Cpu: !Ref 'ContainerCpu'
+          Memory: !Ref 'ContainerMemory'
+          Image: !Ref 'ImageUrl'
+          Environment:
+            - Name: SPRING_DATASOURCE_URL
+              Value: !Join
+                - ''
+                - - 'jdbc:postgresql://'
+                  - Fn::ImportValue: !Join [':', [!Ref 'DatabaseStackName', 'EndpointAddress']]
+                  - ':'
+                  - Fn::ImportValue: !Join [':', [!Ref 'DatabaseStackName', 'EndpointPort']]
+                  - '/'
+                  - Fn::ImportValue: !Join [':', [!Ref 'DatabaseStackName', 'DBName']]
+            - Name: SPRING_DATASOURCE_USERNAME
+              Value: !Join
+                - ''
+                - - '{{resolve:secretsmanager:'
+                  - Fn::ImportValue: !Join [':', [!Ref 'DatabaseStackName', 'Secret']]
+                  - ':SecretString:username}}'
+            - Name: SPRING_DATASOURCE_PASSWORD
+              Value: !Join
+                - ''
+                - - '{{resolve:secretsmanager:'
+                  - Fn::ImportValue: !Join [':', [!Ref 'DatabaseStackName', 'Secret']]
+                  - ':SecretString:password}}'
+          PortMappings:
+            - ContainerPort: !Ref 'ContainerPort'
+          LogConfiguration:
+            LogDriver: 'awslogs'
+            Options:
+              awslogs-group: !Ref 'ServiceName'
+              awslogs-region: !Ref AWS::Region
+              awslogs-stream-prefix: !Ref 'ServiceName'
+
+  Service:
+    Type: AWS::ECS::Service
+    DependsOn: LoadBalancerRule
+    Properties:
+      ServiceName: !Ref 'ServiceName'
+      Cluster:
+        Fn::ImportValue:
+          !Join [':', [!Ref 'NetworkStackName', 'ClusterName']]
+      LaunchType: FARGATE
+      DeploymentConfiguration:
+        MaximumPercent: 200
+        MinimumHealthyPercent: 50
+      DesiredCount: !Ref 'DesiredCount'
+      NetworkConfiguration:
+        AwsvpcConfiguration:
+          AssignPublicIp: ENABLED
+          SecurityGroups:
+            - Fn::ImportValue:
+                !Join [':', [!Ref 'NetworkStackName', 'ECSSecurityGroup']]
+          Subnets:
+            - Fn::ImportValue:
+                !Join [':', [!Ref 'NetworkStackName', 'PublicSubnetOne']]
+            - Fn::ImportValue:
+                !Join [':', [!Ref 'NetworkStackName', 'PublicSubnetTwo']]
+      TaskDefinition: !Ref 'TaskDefinition'
+      LoadBalancers:
+        - ContainerName: !Ref 'ServiceName'
+          ContainerPort: !Ref 'ContainerPort'
+          TargetGroupArn: !Ref 'TargetGroup'

build-all.sh

@@ -0,0 +1,137 @@
+#!/bin/bash
+
+MAIN_DIR=$PWD
+
+build_gradle_module() {
+  MODULE_PATH=$1
+  echo ""
+  echo "+++"
+  echo "+++ BUILDING MODULE $MODULE_PATH"
+  echo "+++"
+  cd $MODULE_PATH && {
+    chmod +x gradlew
+    ./gradlew clean build
+    if [ $? -ne 0 ]
+    then
+      echo ""
+      echo "+++"
+      echo "+++ BUILDING MODULE $MODULE_PATH FAILED"
+      echo "+++"
+      exit 1
+    else
+      echo ""
+      echo "+++"
+      echo "+++ BUILDING MODULE $MODULE_PATH SUCCESSFUL"
+      echo "+++"
+    fi
+    cd $MAIN_DIR
+  }
+}
+
+run_gradle_task() {
+  MODULE_PATH=$1
+  TASK_NAME=$2
+  echo ""
+  echo "+++"
+  echo "+++ RUNNING GRADLE TASK $MODULE_PATH : $TASK_NAME"
+  echo "+++"
+  cd $MODULE_PATH && {
+    chmod +x gradlew
+    ./gradlew $TASK_NAME
+    if [ $? -ne 0 ]
+    then
+      echo ""
+      echo "+++"
+      echo "+++ GRADLE TASK $MODULE_PATH : $TASK_NAME FAILED"
+      echo "+++"
+      exit 1
+    else
+      echo ""
+      echo "+++"
+      echo "+++ GRADLE TASK $MODULE_PATH : $TASK_NAME SUCCESSFUL"
+      echo "+++"
+    fi
+    cd $MAIN_DIR
+  }
+}
+
+build_maven_module() {
+  MODULE_PATH=$1
+  echo ""
+  echo "+++"
+  echo "+++ BUILDING MODULE $MODULE_PATH"
+  echo "+++"
+  cd $MODULE_PATH && {
+    chmod +x mvnw
+    ./mvnw clean package
+    if [ $? -ne 0 ]
+    then
+      echo ""
+      echo "+++"
+      echo "+++ BUILDING MODULE $MODULE_PATH FAILED"
+      echo "+++"
+      exit 1
+    else
+      echo ""
+      echo "+++"
+      echo "+++ BUILDING MODULE $MODULE_PATH SUCCESSFUL"
+      echo "+++"
+    fi
+    cd $MAIN_DIR
+  }
+}
+
+build_maven_module "spring-boot/spring-boot-kafka"
+build_maven_module "resilience4j/retry"
+build_maven_module "solid/lsp"
+run_gradle_task "spring-boot/thymeleaf-vue" "npmInstall"
+build_gradle_module "spring-boot/thymeleaf-vue"
+build_gradle_module "spring-boot/spring-boot-springdoc"
+build_maven_module "spring-boot/dependency-injection"
+build_maven_module "spring-boot/spring-boot-openapi"
+build_maven_module "spring-boot/data-migration/liquibase"
+build_gradle_module "spring-boot/boundaries"
+build_gradle_module "spring-boot/argumentresolver"
+build_gradle_module "spring-data/spring-data-jdbc-converter"
+build_gradle_module "solid"
+build_gradle_module "spring-boot/data-migration/flyway"
+build_gradle_module "reactive"
+build_gradle_module "junit/assumptions"
+build_gradle_module "logging"
+build_gradle_module "pact/pact-feign-consumer"
+# currently disabled since the consumer build won't run
+# build_gradle_module "pact/pact-message-consumer"
+# build_gradle_module "pact/pact-message-producer"
+build_gradle_module "pact/pact-spring-provider"
+build_gradle_module "patterns"
+build_gradle_module "spring-boot/conditionals"
+build_gradle_module "spring-boot/configuration"
+build_gradle_module "spring-boot/mocking"
+build_gradle_module "spring-boot/modular"
+build_gradle_module "spring-boot/paging"
+build_gradle_module "spring-boot/rabbitmq-event-brokering"
+build_gradle_module "spring-boot/spring-boot-logging"
+build_gradle_module "spring-boot/spring-boot-testing"
+build_gradle_module "spring-boot/starter"
+build_gradle_module "spring-boot/startup"
+build_gradle_module "spring-boot/static"
+build_gradle_module "spring-boot/validation"
+build_gradle_module "spring-boot/profiles"
+build_gradle_module "spring-boot/password-encoding"
+build_gradle_module "spring-boot/testcontainers"
+build_gradle_module "spring-boot/hazelcast/hazelcast-embedded-cache"
+build_gradle_module "spring-boot/hazelcast/hazelcast-client-server"
+build_gradle_module "spring-boot/cache"
+build_gradle_module "spring-cloud/feign-with-spring-data-rest"
+build_gradle_module "spring-cloud/sleuth-downstream-service"
+build_gradle_module "spring-cloud/sleuth-upstream-service"
+build_gradle_module "spring-cloud/spring-cloud-contract-consumer"
+build_gradle_module "spring-cloud/spring-cloud-contract-provider"
+build_gradle_module "spring-data/spring-data-rest-associations"
+build_gradle_module "spring-data/spring-data-rest-springfox"
+build_gradle_module "tools/jacoco"
+
+echo ""
+echo "+++"
+echo "+++ ALL MODULES SUCCESSFUL"
+echo "+++"

junit/assumptions/build.gradle

@@ -7,7 +7,7 @@ buildscript {
 apply plugin: 'java'
 
 version = '0.0.1-SNAPSHOT'
-sourceCompatibility = 1.8
+sourceCompatibility = 11
 
 repositories {
 	mavenLocal()
@@ -23,3 +23,6 @@ dependencies {
 	testCompile 'junit:junit:4.12'
 }
 
+test {
+	useJUnitPlatform()
+}

junit/assumptions/gradle/wrapper/gradle-wrapper.properties

@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip

logging/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip

logging/gradlew.bat

@@ -0,0 +1,84 @@
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

logging/src/test/java/io/reflectoring/logging/TruncatedLoggerConverter.java

@@ -1,27 +0,0 @@
-package io.reflectoring.logging;
-
-import java.util.stream.Collectors;
-import java.util.stream.Stream;
-
-import ch.qos.logback.classic.pattern.LoggerConverter;
-import ch.qos.logback.classic.spi.ILoggingEvent;
-
-public class TruncatedLoggerConverter extends LoggerConverter {
-
-	@Override
-	public String convert(ILoggingEvent event) {
-		String maxLengthString = getFirstOption();
-		int maxLength = Integer.parseInt(maxLengthString);
-		String loggerName = super.convert(event);
-		if (loggerName.length() <= maxLength) {
-			return loggerName + generateSpaces(maxLength - loggerName.length());
-		} else {
-			return "..." + loggerName.substring(loggerName.length() - maxLength + 3);
-		}
-	}
-
-	private String generateSpaces(int count) {
-		return Stream.generate(() -> " ").limit(count).collect(Collectors.joining());
-	}
-
-}

logging/src/test/java/io/reflectoring/logging/TruncatedThreadConverter.java

@@ -1,28 +0,0 @@
-package io.reflectoring.logging;
-
-import java.util.stream.Collectors;
-import java.util.stream.Stream;
-
-import ch.qos.logback.classic.pattern.ClassicConverter;
-import ch.qos.logback.classic.spi.ILoggingEvent;
-
-public class TruncatedThreadConverter extends ClassicConverter {
-
-	@Override
-	public String convert(ILoggingEvent event) {
-		String maxLengthString = getFirstOption();
-		int maxLength = Integer.parseInt(maxLengthString);
-		String threadName = event.getThreadName();
-
-		if (threadName.length() <= maxLength) {
-			return threadName + generateSpaces(maxLength - threadName.length());
-		} else {
-			return "..." + threadName.substring(threadName.length() - maxLength + 3);
-		}
-	}
-
-	private String generateSpaces(int count) {
-		return Stream.generate(() -> " ").limit(count).collect(Collectors.joining());
-	}
-
-}

logging/src/test/resources/logback.xml

@@ -10,7 +10,7 @@
     <!-- Appender to log to console -->
     <appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
         <encoder>
-            <pattern>%d{yyyy-MM-dd} | %d{HH:mm:ss.SSS} | %truncatedThread{20} | %5p | %truncatedLogger{25} | %12(ID: %8mdc{id}) | %m%n</pattern>
+            <pattern>%d{yyyy-MM-dd} | %d{HH:mm:ss.SSS} | %-20.20thread | %5p | %-25.25logger{25} | %12(ID: %8mdc{id}) | %m%n</pattern>
             <charset>utf8</charset>
         </encoder>
     </appender>

pact/pact-angular/README.md

@@ -4,6 +4,9 @@ This example project shows how to setup an Angular application to use [Pact](htt
 in order to create Pact files from a consumer test and validate the
 a consumer against the Pact.
 
+## Relevant Blog Post
+[Creating a Consumer-Driven Contract with Angular and Pact](https://reflectoring.io/consumer-driven-contracts-with-angular-and-pact/)
+
 ## Key Files
 
 * [`user.service.ts`](src/app/user.service.ts): Angular service that calls a REST

pact/pact-feign-consumer/application.yml

@@ -1,5 +0,0 @@
-userservice:
-  ribbon:
-    eureka:
-      enabled: false
-    listOfServers: localhost:8080

pact/pact-feign-consumer/build.gradle

@@ -1,5 +1,3 @@
-apply plugin: 'org.springframework.boot'
-
 buildscript {
     repositories {
         mavenLocal()
@@ -10,18 +8,56 @@ buildscript {
     }
 }
 
+plugins {
+    id "au.com.dius.pact" version "3.5.20"
+}
+
+apply plugin: 'java'
+apply plugin: 'org.springframework.boot'
+apply plugin: 'io.spring.dependency-management'
+
+version '1.0.0.SNAPSHOT'
 
 repositories {
     mavenLocal()
     jcenter()
 }
 
-dependencies {
-    compile("org.springframework.boot:spring-boot-starter-data-jpa:${springboot_version}")
-    compile("org.springframework.boot:spring-boot-starter-web:${springboot_version}")
-    compile("org.springframework.cloud:spring-cloud-starter-feign:1.4.1.RELEASE")
-    compile('com.h2database:h2:1.4.196')
-    testCompile('org.codehaus.groovy:groovy-all:2.4.6')
-    testCompile("au.com.dius:pact-jvm-consumer-junit_2.11:3.5.2")
-    testCompile("org.springframework.boot:spring-boot-starter-test:${springboot_version}")
+dependencyManagement {
+    imports {
+        mavenBom "org.springframework.cloud:spring-cloud-dependencies:${springcloud_version}"
+    }
 }
+
+dependencies {
+    compile('org.springframework.boot:spring-boot-starter-data-jpa')
+    compile('org.springframework.boot:spring-boot-starter-web')
+    compile('org.springframework.cloud:spring-cloud-starter-openfeign')
+    compile('org.springframework.cloud:spring-cloud-starter-netflix-ribbon')
+    compile('com.h2database:h2:1.4.196')
+
+    // add jaxb since it's no longer available in Java 11
+    runtime('javax.xml.bind:jaxb-api:2.3.1')
+
+    // add javassist >= 3.23.1-GA since earlier versions are broken in Java 11
+    // see https://github.com/jboss-javassist/javassist/issues/194
+    runtime('org.javassist:javassist:3.23.1-GA')
+
+    testCompile('org.codehaus.groovy:groovy-all:2.4.6')
+    testCompile("au.com.dius:pact-jvm-consumer-junit5_2.12:${pact_version}")
+    testCompile('org.springframework.boot:spring-boot-starter-test')
+    testRuntimeOnly( 'org.junit.jupiter:junit-jupiter-engine:5.1.0')
+}
+
+pact {
+    publish {
+        pactDirectory = 'target/pacts'
+        pactBrokerUrl = 'TODO'
+        pactBrokerUsername = 'TODO'
+        pactBrokerPassword = 'TODO'
+    }
+}
+
+test {
+    useJUnitPlatform()
+}

pact/pact-feign-consumer/gradle.properties

@@ -1,2 +1,3 @@
-springboot_version=1.5.9.RELEASE
-verifier_version=1.2.2.RELEASE
+springboot_version=2.0.4.RELEASE
+springcloud_version=Finchley.SR1
+pact_version=3.5.20

pact/pact-feign-consumer/gradle/wrapper/gradle-wrapper.properties

@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip

pact/pact-feign-consumer/src/main/java/io/reflectoring/ConsumerApplication.java

@@ -2,10 +2,12 @@ package io.reflectoring;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.cloud.netflix.feign.EnableFeignClients;
+import org.springframework.cloud.netflix.ribbon.RibbonClient;
+import org.springframework.cloud.openfeign.EnableFeignClients;
 
 @SpringBootApplication
 @EnableFeignClients
+@RibbonClient(name = "userservice", configuration = RibbonConfiguration.class)
 public class ConsumerApplication {
 
 	public static void main(String[] args) {

pact/pact-feign-consumer/src/main/java/io/reflectoring/RibbonConfiguration.java

@@ -0,0 +1,15 @@
+package io.reflectoring;
+
+import com.netflix.client.config.IClientConfig;
+import com.netflix.loadbalancer.IRule;
+import com.netflix.loadbalancer.RandomRule;
+import org.springframework.context.annotation.Bean;
+
+public class RibbonConfiguration {
+
+	@Bean
+	public IRule ribbonRule(IClientConfig config) {
+		return new RandomRule();
+	}
+
+}

pact/pact-feign-consumer/src/main/java/io/reflectoring/UserClient.java

@@ -1,6 +1,6 @@
 package io.reflectoring;
 
-import org.springframework.cloud.netflix.feign.FeignClient;
+import org.springframework.cloud.openfeign.FeignClient;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;

pact/pact-feign-consumer/src/test/java/io/reflectoring/UserServiceConsumerTest.java

@@ -1,83 +1,88 @@
 package io.reflectoring;
 
 import au.com.dius.pact.consumer.Pact;
-import au.com.dius.pact.consumer.PactProviderRuleMk2;
-import au.com.dius.pact.consumer.PactVerification;
 import au.com.dius.pact.consumer.dsl.PactDslJsonBody;
 import au.com.dius.pact.consumer.dsl.PactDslWithProvider;
+import au.com.dius.pact.consumer.junit5.PactConsumerTestExt;
+import au.com.dius.pact.consumer.junit5.PactTestFor;
 import au.com.dius.pact.model.RequestResponsePact;
-import org.junit.Rule;
-import org.junit.Test;
-import org.junit.runner.RunWith;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.test.context.junit4.SpringRunner;
-import static org.assertj.core.api.Assertions.assertThat;
+import org.springframework.test.context.junit.jupiter.SpringExtension;
+import org.springframework.web.client.RestTemplate;
 
-@RunWith(SpringRunner.class)
-@SpringBootTest(properties = {
-        // overriding provider address
-        "userservice.ribbon.listOfServers: localhost:8888"
+import static org.assertj.core.api.Assertions.*;
+
+@ExtendWith(PactConsumerTestExt.class)
+@ExtendWith(SpringExtension.class)
+@PactTestFor(providerName = "userservice", port = "8888")
+@SpringBootTest({
+				// overriding provider address
+				"userservice.ribbon.listOfServers: localhost:8888"
 })
-public class UserServiceConsumerTest {
+class UserServiceConsumerTest {
 
-  @Rule
-  public PactProviderRuleMk2 stubProvider = new PactProviderRuleMk2("userservice", "localhost", 8888, this);
+	@Autowired
+	private UserClient userClient;
 
-  @Autowired
-  private UserClient userClient;
+	@Pact(state = "provider accepts a new person", provider = "userservice", consumer = "userclient")
+	RequestResponsePact createPersonPact(PactDslWithProvider builder) {
 
-  @Pact(state = "provider accepts a new person", provider = "userservice", consumer = "userclient")
-  public RequestResponsePact createPersonPact(PactDslWithProvider builder) {
-    return builder
-            .given("provider accepts a new person")
-            .uponReceiving("a request to POST a person")
-            .path("/user-service/users")
-            .method("POST")
-            .willRespondWith()
-            .status(201)
-            .matchHeader("Content-Type", "application/json")
-            .body(new PactDslJsonBody()
-                    .integerType("id", 42))
-            .toPact();
-  }
+		// @formatter:off
+		return builder
+						.given("provider accepts a new person")
+						.uponReceiving("a request to POST a person")
+							.path("/user-service/users")
+							.method("POST")
+						.willRespondWith()
+							.status(201)
+							.matchHeader("Content-Type", "application/json")
+							.body(new PactDslJsonBody()
+											.integerType("id", 42))
+						.toPact();
+		// @formatter:on
+	}
 
-  @Pact(state = "person 42 exists", provider = "userservice", consumer = "userclient")
-  public RequestResponsePact updatePersonPact(PactDslWithProvider builder) {
-    return builder
-            .given("person 42 exists")
-            .uponReceiving("a request to PUT a person")
-            .path("/user-service/users/42")
-            .method("PUT")
-            .willRespondWith()
-            .status(200)
-            .matchHeader("Content-Type", "application/json")
-            .body(new PactDslJsonBody()
-                    .stringType("firstName", "Zaphod")
-                    .stringType("lastName", "Beeblebrox"))
-            .toPact();
-  }
+	@Pact(state = "person 42 exists", provider = "userservice", consumer = "userclient")
+	RequestResponsePact updatePersonPact(PactDslWithProvider builder) {
+		// @formatter:off
+		return builder
+						.given("person 42 exists")
+						.uponReceiving("a request to PUT a person")
+						  .path("/user-service/users/42")
+						  .method("PUT")
+						.willRespondWith()
+						  .status(200)
+						  .matchHeader("Content-Type", "application/json")
+						  .body(new PactDslJsonBody()
+											.stringType("firstName", "Zaphod")
+											.stringType("lastName", "Beeblebrox"))
+						.toPact();
+		// @formatter:on
+	}
 
 
-  @Test
-  @PactVerification(fragment = "createPersonPact")
-  public void verifyCreatePersonPact() {
-    User user = new User();
-    user.setFirstName("Zaphod");
-    user.setLastName("Beeblebrox");
-    IdObject id = userClient.createUser(user);
-    assertThat(id.getId()).isEqualTo(42);
-  }
+	@Test
+	@PactTestFor(pactMethod = "createPersonPact")
+	void verifyCreatePersonPact() {
+		User user = new User();
+		user.setFirstName("Zaphod");
+		user.setLastName("Beeblebrox");
+		IdObject id = userClient.createUser(user);
+		assertThat(id.getId()).isEqualTo(42);
+	}
 
-  @Test
-  @PactVerification(fragment = "updatePersonPact")
-  public void verifyUpdatePersonPact() {
-    User user = new User();
-    user.setFirstName("Zaphod");
-    user.setLastName("Beeblebrox");
-    User updatedUser = userClient.updateUser(42L, user);
-    assertThat(updatedUser.getFirstName()).isEqualTo("Zaphod");
-    assertThat(updatedUser.getLastName()).isEqualTo("Beeblebrox");
-  }
+	@Test
+	@PactTestFor(pactMethod = "updatePersonPact")
+	void verifyUpdatePersonPact() {
+		User user = new User();
+		user.setFirstName("Zaphod");
+		user.setLastName("Beeblebrox");
+		User updatedUser = userClient.updateUser(42L, user);
+		assertThat(updatedUser.getFirstName()).isEqualTo("Zaphod");
+		assertThat(updatedUser.getLastName()).isEqualTo("Beeblebrox");
+	}
 
 }

pact/pact-feign-consumer/target/pacts/userclient-userservice.json

@@ -0,0 +1,115 @@
+{
+    "provider": {
+        "name": "userservice"
+    },
+    "consumer": {
+        "name": "userclient"
+    },
+    "interactions": [
+        {
+            "description": "a request to PUT a person",
+            "request": {
+                "method": "PUT",
+                "path": "/user-service/users/42"
+            },
+            "response": {
+                "status": 200,
+                "headers": {
+                    "Content-Type": "application/json"
+                },
+                "body": {
+                    "firstName": "Zaphod",
+                    "lastName": "Beeblebrox"
+                },
+                "matchingRules": {
+                    "body": {
+                        "$.firstName": {
+                            "matchers": [
+                                {
+                                    "match": "type"
+                                }
+                            ],
+                            "combine": "AND"
+                        },
+                        "$.lastName": {
+                            "matchers": [
+                                {
+                                    "match": "type"
+                                }
+                            ],
+                            "combine": "AND"
+                        }
+                    },
+                    "header": {
+                        "Content-Type": {
+                            "matchers": [
+                                {
+                                    "match": "regex",
+                                    "regex": "application/json"
+                                }
+                            ],
+                            "combine": "AND"
+                        }
+                    }
+                }
+            },
+            "providerStates": [
+                {
+                    "name": "person 42 exists"
+                }
+            ]
+        },
+        {
+            "description": "a request to POST a person",
+            "request": {
+                "method": "POST",
+                "path": "/user-service/users"
+            },
+            "response": {
+                "status": 201,
+                "headers": {
+                    "Content-Type": "application/json"
+                },
+                "body": {
+                    "id": 42
+                },
+                "matchingRules": {
+                    "header": {
+                        "Content-Type": {
+                            "matchers": [
+                                {
+                                    "match": "regex",
+                                    "regex": "application/json"
+                                }
+                            ],
+                            "combine": "AND"
+                        }
+                    },
+                    "body": {
+                        "$.id": {
+                            "matchers": [
+                                {
+                                    "match": "integer"
+                                }
+                            ],
+                            "combine": "AND"
+                        }
+                    }
+                }
+            },
+            "providerStates": [
+                {
+                    "name": "provider accepts a new person"
+                }
+            ]
+        }
+    ],
+    "metadata": {
+        "pactSpecification": {
+            "version": "3.0.0"
+        },
+        "pact-jvm": {
+            "version": "3.5.20"
+        }
+    }
+}

pact/pact-message-consumer/.gitignore

@@ -0,0 +1,25 @@
+.gradle
+/build/
+!gradle/wrapper/gradle-wrapper.jar
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+nbproject/private/
+build/
+nbbuild/
+dist/
+nbdist/
+.nb-gradle/

pact/pact-message-consumer/README.md

@@ -0,0 +1,7 @@
+# Consumer-Driven-Contract Test for a Spring Boot Message Consumer
+
+This module shows how to use Pact to implement a contract test for a message provider.
+
+## Companion Articles
+[Testing a Spring Message Producer and Consumer against a Contract with Pact](https://reflectoring.io/cdc-pact-messages/)
+

pact/pact-message-consumer/application.yml

@@ -0,0 +1 @@
+spring.rabbitmq.connection-timeout=10

pact/pact-message-consumer/build.gradle

@@ -0,0 +1,43 @@
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath("org.springframework.boot:spring-boot-gradle-plugin:${springboot_version}")
+    }
+}
+
+apply plugin: 'java'
+apply plugin: 'eclipse'
+apply plugin: 'org.springframework.boot'
+apply plugin: 'io.spring.dependency-management'
+
+version = '0.0.1-SNAPSHOT'
+sourceCompatibility = 11
+
+repositories {
+    mavenLocal()
+    mavenCentral()
+}
+
+dependencies {
+    compile('org.springframework.boot:spring-boot-starter-web')
+    compile('org.springframework.boot:spring-boot-starter-amqp')
+    compile('com.h2database:h2:1.4.196')
+    compileOnly('org.projectlombok:lombok:1.18.2')
+
+    // add jaxb since it's no longer available in Java 11
+    runtime('javax.xml.bind:jaxb-api:2.3.1')
+
+    // add javassist >= 3.23.1-GA since earlier versions are broken in Java 11
+    // see https://github.com/jboss-javassist/javassist/issues/194
+    runtime('org.javassist:javassist:3.23.1-GA')
+    
+    testCompile("au.com.dius:pact-jvm-consumer-junit_2.12:${pact_version}")
+    testCompile("au.com.dius:pact-jvm-consumer-groovy_2.12:${pact_version}")
+    testCompile('org.springframework.boot:spring-boot-starter-test')
+}
+
+bootRun {
+    jvmArgs = ["-Xdebug", "-Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=5005"]
+}

pact/pact-message-consumer/gradle.properties

@@ -0,0 +1,2 @@
+springboot_version=2.0.4.RELEASE
+pact_version=3.5.20

pact/pact-message-consumer/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip

pact/pact-message-consumer/gradlew.bat

@@ -0,0 +1,84 @@
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

pact/pact-message-consumer/src/main/java/io/reflectoring/DemoApplication.java

@@ -0,0 +1,15 @@
+package io.reflectoring;
+
+import org.springframework.amqp.rabbit.annotation.EnableRabbit;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.web.servlet.config.annotation.EnableWebMvc;
+
+@SpringBootApplication
+@EnableRabbit
+public class DemoApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(DemoApplication.class, args);
+	}
+}

pact/pact-message-consumer/src/main/java/io/reflectoring/MessageConsumer.java

@@ -0,0 +1,37 @@
+package io.reflectoring;
+
+
+import javax.validation.ConstraintViolation;
+import javax.validation.ConstraintViolationException;
+import javax.validation.Validation;
+import javax.validation.Validator;
+
+import java.io.IOException;
+import java.util.Set;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class MessageConsumer {
+
+  private Logger logger = LoggerFactory.getLogger(MessageConsumer.class);
+
+  private ObjectMapper objectMapper;
+
+  public MessageConsumer(ObjectMapper objectMapper) {
+    this.objectMapper = objectMapper;
+  }
+
+  public void consumeStringMessage(String messageString) throws IOException {
+    logger.info("Consuming message '{}'", messageString);
+    UserCreatedMessage message = objectMapper.readValue(messageString, UserCreatedMessage.class);
+    Validator validator = Validation.buildDefaultValidatorFactory().getValidator();
+    Set<ConstraintViolation<UserCreatedMessage>> violations = validator.validate(message);
+    if(!violations.isEmpty()){
+      throw new ConstraintViolationException(violations);
+    }
+    // pass message into business use case
+  }
+
+}

pact/pact-message-consumer/src/main/java/io/reflectoring/MessageConsumerConfiguration.java

@@ -0,0 +1,60 @@
+package io.reflectoring;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.springframework.amqp.core.Binding;
+import org.springframework.amqp.core.BindingBuilder;
+import org.springframework.amqp.core.Queue;
+import org.springframework.amqp.core.TopicExchange;
+import org.springframework.amqp.rabbit.connection.ConnectionFactory;
+import org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer;
+import org.springframework.amqp.rabbit.listener.adapter.MessageListenerAdapter;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class MessageConsumerConfiguration {
+
+	private static final String QUEUE_NAME = "myQueue";
+
+	private static final String EXCHANGE_NAME = "myExchange";
+
+	@Bean
+	public TopicExchange receiverExchange() {
+		return new TopicExchange(EXCHANGE_NAME);
+	}
+
+	@Bean
+	public Queue queue() {
+		return new Queue(QUEUE_NAME);
+	}
+
+	@Bean
+	public Binding binding(Queue eventReceivingQueue, TopicExchange receiverExchange) {
+		return BindingBuilder
+						.bind(eventReceivingQueue)
+						.to(receiverExchange)
+						.with("*.*");
+	}
+
+	@Bean
+	public SimpleMessageListenerContainer container(ConnectionFactory connectionFactory,
+																									MessageListenerAdapter listenerAdapter) {
+		SimpleMessageListenerContainer container = new SimpleMessageListenerContainer();
+		container.setConsumerStartTimeout(1000); // we don't want to wait in this example project
+		container.setConnectionFactory(connectionFactory);
+		container.setQueueNames(QUEUE_NAME);
+		container.setMessageListener(listenerAdapter);
+		return container;
+	}
+
+	@Bean
+	public MessageListenerAdapter listenerAdapter(MessageConsumer messageConsumer) {
+		return new MessageListenerAdapter(messageConsumer, "consumeStringMessage");
+	}
+
+	@Bean
+	public MessageConsumer eventReceiver(ObjectMapper objectMapper) {
+		return new MessageConsumer(objectMapper);
+	}
+
+}

pact/pact-message-consumer/src/main/java/io/reflectoring/User.java

@@ -0,0 +1,16 @@
+package io.reflectoring;
+
+import javax.validation.constraints.NotNull;
+
+import lombok.Data;
+
+@Data
+public class User {
+
+	@NotNull
+	private long id;
+
+	@NotNull
+	private String name;
+
+}

pact/pact-message-consumer/src/main/java/io/reflectoring/UserCreatedMessage.java

@@ -0,0 +1,16 @@
+package io.reflectoring;
+
+import javax.validation.constraints.NotNull;
+
+import lombok.Data;
+
+@Data
+public class UserCreatedMessage {
+
+	@NotNull
+	private String messageUuid;
+
+	@NotNull
+	private User user;
+
+}

pact/pact-message-consumer/src/test/java/io/reflectoring/MessageConsumerTest.java

@@ -0,0 +1,59 @@
+package io.reflectoring;
+
+import java.io.IOException;
+
+import au.com.dius.pact.consumer.MessagePactBuilder;
+import au.com.dius.pact.consumer.MessagePactProviderRule;
+import au.com.dius.pact.consumer.Pact;
+import au.com.dius.pact.consumer.PactVerification;
+import au.com.dius.pact.consumer.dsl.PactDslJsonBody;
+import au.com.dius.pact.model.v3.messaging.MessagePact;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class MessageConsumerTest {
+
+	@Rule
+	public MessagePactProviderRule mockProvider = new MessagePactProviderRule(this);
+	private byte[] currentMessage;
+
+	@Autowired
+	private MessageConsumer messageConsumer;
+
+	@Pact(provider = "userservice", consumer = "userclient")
+	public MessagePact userCreatedMessagePact(MessagePactBuilder builder) {
+		PactDslJsonBody body = new PactDslJsonBody();
+		body.stringType("messageUuid");
+		body.object("user")
+						.numberType("id", 42L)
+						.stringType("name", "Zaphod Beeblebrox")
+						.closeObject();
+
+		// @formatter:off
+		return builder
+						.expectsToReceive("a user created message")
+						.withContent(body)
+						.toPact();
+		// @formatter:on
+	}
+
+	@Test
+	@PactVerification("userCreatedMessagePact")
+	public void verifyCreatePersonPact() throws IOException {
+		messageConsumer.consumeStringMessage(new String(this.currentMessage));
+	}
+
+	/**
+	 * This method is called by the Pact framework.
+	 */
+	public void setMessage(byte[] message) {
+		this.currentMessage = message;
+	}
+
+}

pact/pact-message-consumer/target/pacts/userclient-userservice.json

@@ -0,0 +1,59 @@
+{
+    "consumer": {
+        "name": "userclient"
+    },
+    "provider": {
+        "name": "userservice"
+    },
+    "messages": [
+        {
+            "description": "a user created message",
+            "metaData": {
+                "Content-Type": "application/json; charset=UTF-8"
+            },
+            "contents": {
+                "messageUuid": "string",
+                "user": {
+                    "id": 42,
+                    "name": "Zaphod Beeblebrox"
+                }
+            },
+            "matchingRules": {
+                "body": {
+                    "$.messageUuid": {
+                        "matchers": [
+                            {
+                                "match": "type"
+                            }
+                        ],
+                        "combine": "AND"
+                    },
+                    "$.user.id": {
+                        "matchers": [
+                            {
+                                "match": "number"
+                            }
+                        ],
+                        "combine": "AND"
+                    },
+                    "$.user.name": {
+                        "matchers": [
+                            {
+                                "match": "type"
+                            }
+                        ],
+                        "combine": "AND"
+                    }
+                }
+            }
+        }
+    ],
+    "metadata": {
+        "pactSpecification": {
+            "version": "3.0.0"
+        },
+        "pact-jvm": {
+            "version": "3.5.20"
+        }
+    }
+}

pact/pact-message-producer/.gitignore

@@ -0,0 +1,25 @@
+.gradle
+/build/
+!gradle/wrapper/gradle-wrapper.jar
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+nbproject/private/
+build/
+nbbuild/
+dist/
+nbdist/
+.nb-gradle/

pact/pact-message-producer/README.md

@@ -0,0 +1,3 @@
+# Consumer-Driven-Contract Test for a Spring Boot Message Provider
+
+This module shows how to use Pact to implement a contract test for a message provider.

pact/pact-message-producer/build.gradle

@@ -0,0 +1,46 @@
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath("org.springframework.boot:spring-boot-gradle-plugin:${springboot_version}")
+    }
+}
+
+apply plugin: 'java'
+apply plugin: 'eclipse'
+apply plugin: 'org.springframework.boot'
+apply plugin: 'io.spring.dependency-management'
+
+version = '0.0.1-SNAPSHOT'
+sourceCompatibility = 11
+
+repositories {
+    mavenLocal()
+    mavenCentral()
+}
+
+dependencies {
+    compile('org.springframework.boot:spring-boot-starter-web')
+    compile('org.springframework.boot:spring-boot-starter-amqp')
+    compile('com.h2database:h2:1.4.196')
+    compileOnly('org.projectlombok:lombok:1.18.2')
+
+    // add jaxb since it's no longer available in Java 11
+    runtime('javax.xml.bind:jaxb-api:2.3.1')
+
+    // add javassist >= 3.23.1-GA since earlier versions are broken in Java 11
+    // see https://github.com/jboss-javassist/javassist/issues/194
+    runtime('org.javassist:javassist:3.23.1-GA')
+
+    // overriding bytebuddy to newer version that supports Java 11
+    // see https://github.com/raphw/byte-buddy/issues/428
+    testCompile('net.bytebuddy:byte-buddy:1.9.12')
+
+    testCompile("au.com.dius:pact-jvm-provider-junit_2.12:${pact_version}")
+    testCompile('org.springframework.boot:spring-boot-starter-test')
+}
+
+bootRun {
+    jvmArgs = ["-Xdebug", "-Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=5005"]
+}

pact/pact-message-producer/gradle.properties

@@ -0,0 +1,2 @@
+springboot_version=2.0.4.RELEASE
+pact_version=3.5.20

pact/pact-message-producer/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip