Back merged from offical repo

.github/workflows/ci.yml

@@ -33,3 +33,14 @@ jobs:
         AWS_REGION: us-east-1
       run: |
         chmod 755 build-all.sh && ./build-all.sh $MODULE
+
+    - name: "Zip build reports"
+      if: failure()
+      run: zip -r reports.zip **/**/build/reports
+
+    - uses: actions/upload-artifact@v1
+      name: "Upload build reports"
+      if: failure()
+      with:
+        name: reports
+        path: reports.zip

aws/aws-hello-world/README.md

@@ -0,0 +1,14 @@
+# AWS Hello World
+
+A simple Spring Boot application you can use to test deployments to AWS (or any other cloud provider, for that matter).
+
+This application is also available as a Docker image on Docker Hub: [https://hub.docker.com/r/reflectoring/aws-hello-world](https://hub.docker.com/r/reflectoring/aws-hello-world).
+
+## Blog posts
+
+Blog posts about this topic:
+
+* [The AWS Journey Part 1: Deploying Your First Docker Image](https://reflectoring.io/aws-deploy-docker-image-via-web-console/)
+* [The AWS Journey Part 2: Deploying a Docker Image with AWS CloudFormation](https://reflectoring.io/aws-cloudformation-deploy-docker-image/)
+* [The AWS Journey Part 3: Connecting a Spring Boot Application to an RDS Instance with CloudFormation](https://reflectoring.io/aws-cloudformation-rds/)
+* [The AWS Journey Part 4: Zero-Downtime Deployment with CloudFormation and ECS](https://reflectoring.io/aws-cloudformation-ecs-deployment/)

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

@@ -23,3 +23,18 @@ Use the image instead of your real application to test AWS CloudFormation stacks
     ```
 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 Hello World
+
+A simple Spring Boot application you can use to test deployments to AWS (or any other cloud provider, for that matter).
+
+This application is also available as a Docker image on Docker Hub: [https://hub.docker.com/r/reflectoring/aws-hello-world](https://hub.docker.com/r/reflectoring/aws-hello-world).
+
+## Blog posts
+
+Blog posts about this topic:
+
+* [The AWS Journey Part 1: Deploying Your First Docker Image](https://reflectoring.io/aws-deploy-docker-image-via-web-console/)
+* [The AWS Journey Part 2: Deploying a Docker Image with AWS CloudFormation](https://reflectoring.io/aws-cloudformation-deploy-docker-image/)
+* [The AWS Journey Part 3: Connecting a Spring Boot Application to an RDS Instance with CloudFormation](https://reflectoring.io/aws-cloudformation-rds/)
+* [The AWS Journey Part 4: Zero-Downtime Deployment with CloudFormation and ECS](https://reflectoring.io/aws-cloudformation-ecs-deployment/)
+

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

@@ -2,7 +2,12 @@
 
 ![ECS in two public subnets](ecs-in-two-public-subnets.svg)
 
-# Companion Blog Post
+## Blog posts
 
-[The AWS Journey Part 2: Deploying a Docker image from the Command Line with CloudFormation](https://reflectoring.io/aws-cloudformation-deploy-docker-image/)
+Blog posts about this topic:
+
+* [The AWS Journey Part 1: Deploying Your First Docker Image](https://reflectoring.io/aws-deploy-docker-image-via-web-console/)
+* [The AWS Journey Part 2: Deploying a Docker Image with AWS CloudFormation](https://reflectoring.io/aws-cloudformation-deploy-docker-image/)
+* [The AWS Journey Part 3: Connecting a Spring Boot Application to an RDS Instance with CloudFormation](https://reflectoring.io/aws-cloudformation-rds/)
+* [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/README.md

@@ -2,7 +2,14 @@
 
 ![ECS Zero Downtime Deployment](ecs-in-two-public-subnets.svg)
 
-# Companion Blog Post
+## Blog posts
+
+Blog posts about this topic:
+
+* [The AWS Journey Part 1: Deploying Your First Docker Image](https://reflectoring.io/aws-deploy-docker-image-via-web-console/)
+* [The AWS Journey Part 2: Deploying a Docker Image with AWS CloudFormation](https://reflectoring.io/aws-cloudformation-deploy-docker-image/)
+* [The AWS Journey Part 3: Connecting a Spring Boot Application to an RDS Instance with CloudFormation](https://reflectoring.io/aws-cloudformation-rds/)
+* [The AWS Journey Part 4: Zero-Downtime Deployment with CloudFormation and ECS](https://reflectoring.io/aws-cloudformation-ecs-deployment/)
+
 
-[The AWS Journey Part 4: Zero-Downtime Deployment with CloudFormation and ECS](https://reflectoring.io/aws-cloudformation-ecs-deployment/)
 

aws/localstack/README.md

@@ -0,0 +1,10 @@
+# Localstack
+
+Example code to test against AWS services locally using Localstack.
+
+## Blog posts
+
+Blog posts about this topic:
+
+* [Local Development with AWS on LocalStack](https://reflectoring.io/aws-localstack/)
+

build-all.sh

@@ -87,11 +87,12 @@ then
   # ADD NEW MODULES HERE
   # (add new modules above the rest so you get quicker feedback if it fails)
 
+  build_gradle_module "spring-boot/cache"
+  build_gradle_module "spring-boot/bean-lifecycle"
   build_gradle_module "spring-boot/request-response/client"
   build_gradle_module "spring-boot/request-response/server"
   build_gradle_module "spring-boot/hazelcast/hazelcast-embedded-cache"
   build_gradle_module "spring-boot/hazelcast/hazelcast-client-server"
-  build_gradle_module "spring-boot/cache"
 
   echo ""
   echo "+++"
@@ -122,12 +123,12 @@ fi
 
 if [[ "$MODULE" == "module2" ]]
 then
+  build_gradle_module "solid/isp"
+  build_maven_module "solid/lsp"
   build_maven_module "resilience4j/retry"
   build_maven_module "resilience4j/ratelimiter"
   build_maven_module "resilience4j/timelimiter"
-  build_maven_module "solid/lsp"
   build_gradle_module "spring-data/spring-data-jdbc-converter"
-  build_gradle_module "solid"
   build_gradle_module "reactive"
   build_gradle_module "junit/assumptions"
   build_gradle_module "logging"

junit/assumptions/README.md

@@ -1,3 +1,7 @@
-# Examples with JUnit 4 and JUnit 5
+# Examples for assumptions with JUnit 4 and 5
 
-Have a look at [the code](/src/test/java/com/example/demo/)
+Have a look at [the code](/src/test/java/com/example/demo/).
+
+## Blog posts
+
+* [Assumptions and Conditional Test Execution with JUnit 4 and 5](https://reflectoring.io/conditional-junit4-junit5-tests/)

reactive/README.md

@@ -0,0 +1,7 @@
+# Reactive code examples
+
+Some code examples using reactive code.
+
+## Blog posts
+
+* [Reactive Multi-Threading with RxJava - Pitfalls and Solutions](https://reflectoring.io/rxjava-reactive-batch-processing/)

resilience4j/ratelimiter/README.md

@@ -0,0 +1,10 @@
+# Rate limiting with Resilience4J
+
+Run the Examples program.
+
+## Blog posts
+
+* [Implementing Rate Limiting with Resilience4j](https://reflectoring.io/rate-limiting-with-resilience4j)
+
+
+

resilience4j/ratelimiter/Readme.md

@@ -1,5 +0,0 @@
-Code for the examples used in the article at 
-https://reflectoring.io/rate-limiting-with-resilience4j
-
-Run the Examples program.
-

resilience4j/retry/README.md

@@ -0,0 +1,7 @@
+# Retry with Resilience4J
+
+Run the Examples program
+
+## Blog posts
+
+* [Implementing Retry with Resilience4j](https://reflectoring.io/retry-with-resilience4j/)

resilience4j/retry/Readme.md

@@ -1 +0,0 @@
-Run the Examples program

solid/isp/README.md

@@ -0,0 +1,7 @@
+# Interface Segregation Principle
+
+Example code showing the Interface Segregation Principle
+
+## Blog posts 
+
+* [Everything You Need to Know About the Interface Segregation Principle](https://reflectoring.io/interface-segregation-principle/) 

solid/lsp/README.md

@@ -1,3 +1,5 @@
+# Liskov Substition Principle
+
 There are 5 programs under com/reflectoring/examples/lsp/paymentexample.
 
 Run in this order to see class design evolution:
@@ -11,4 +13,8 @@ Packages are organized similarly: violation, forcefit, forcefitandconditional,
 and redesigned have specific classes modified at that point in the evolution.
 
 Common code is in common, common/exceptions, common/external and 
-common/instruments.  
+common/instruments.
+
+## Blog posts 
+
+* [The Liskov Substitution Principle Explained](https://reflectoring.io/lsp-explained/) 

spring-boot/argumentresolver/README.md

@@ -0,0 +1,5 @@
+# Custom Argument Resolvers with Spring Boot
+
+## Blog posts 
+
+* [Custom Web Controller Arguments with Spring MVC and Spring Boot](https://reflectoring.io/spring-boot-argumentresolver/) 

spring-boot/bean-lifecycle/.gitignore

@@ -0,0 +1,26 @@
+.gradle
+/build/
+!gradle/wrapper/gradle-wrapper.jar
+
+### 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/

spring-boot/bean-lifecycle/README.md

@@ -0,0 +1,6 @@
+# Spring Bean Lifecycle
+
+This code shows how to hook in to the phases of the Spring bean lifecycle.
+
+## Blog Posts
+* [Hooking into the Spring Bean Lifecycle](https://reflectoring.io/spring-bean-lifecycle)

spring-boot/bean-lifecycle/build.gradle

@@ -0,0 +1,26 @@
+plugins {
+	id 'org.springframework.boot' version '2.3.2.RELEASE'
+	id 'io.spring.dependency-management' version '1.0.9.RELEASE'
+	id 'java'
+}
+
+group = 'io.reflectoring'
+version = '0.0.1-SNAPSHOT'
+sourceCompatibility = '11'
+
+repositories {
+	mavenCentral()
+}
+
+dependencies {
+	implementation 'org.springframework.boot:spring-boot-starter'
+	implementation 'org.springframework.boot:spring-boot-starter-quartz'
+	implementation 'org.springframework.boot:spring-boot-starter-jersey'
+	testImplementation('org.springframework.boot:spring-boot-starter-test') {
+		exclude group: 'org.junit.vintage', module: 'junit-vintage-engine'
+	}
+}
+
+test {
+	useJUnitPlatform()
+}

spring-boot/bean-lifecycle/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Tue Feb 06 12:27:20 CET 2018
+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

spring-boot/bean-lifecycle/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" "$@"

spring-boot/bean-lifecycle/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

spring-boot/bean-lifecycle/settings.gradle

@@ -0,0 +1 @@
+rootProject.name = 'beanlifecycle'

spring-boot/bean-lifecycle/src/main/java/io/reflectoring/beanlifecycle/BeanLifecycleApplication.java

@@ -0,0 +1,12 @@
+package io.reflectoring.beanlifecycle;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class BeanLifecycleApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(BeanLifecycleApplication.class, args);
+    }
+}

spring-boot/bean-lifecycle/src/main/java/io/reflectoring/beanlifecycle/MyBeanPostProcessor.java

@@ -0,0 +1,26 @@
+package io.reflectoring.beanlifecycle;
+
+import org.springframework.beans.BeansException;
+import org.springframework.beans.factory.config.BeanPostProcessor;
+
+public class MyBeanPostProcessor implements BeanPostProcessor {
+
+    @Override
+    public Object postProcessBeforeInitialization(Object bean, String beanName)
+            throws BeansException {
+        if (bean instanceof MySpringBean) {
+            System.out.println("--- postProcessBeforeInitialization executed ---");
+        }
+        return bean;
+    }
+
+    @Override
+    public Object postProcessAfterInitialization(Object bean, String beanName)
+            throws BeansException {
+        if (bean instanceof MySpringBean) {
+            System.out.println("--- postProcessAfterInitialization executed ---");
+        }
+        return bean;
+    }
+
+}

spring-boot/bean-lifecycle/src/main/java/io/reflectoring/beanlifecycle/MySpringBean.java

@@ -0,0 +1,65 @@
+package io.reflectoring.beanlifecycle;
+
+import org.springframework.beans.BeansException;
+import org.springframework.beans.factory.BeanNameAware;
+import org.springframework.beans.factory.DisposableBean;
+import org.springframework.beans.factory.InitializingBean;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.ApplicationContextAware;
+
+import javax.annotation.PostConstruct;
+import javax.annotation.PreDestroy;
+
+public class MySpringBean implements BeanNameAware, ApplicationContextAware,
+        InitializingBean, DisposableBean {
+
+    private String message;
+
+    public void sendMessage(String message) {
+        this.message = message;
+    }
+
+    public String getMessage() {
+        return this.message;
+    }
+
+    @Override
+    public void setBeanName(String name) {
+        System.out.println("--- setBeanName executed ---");
+    }
+
+    @Override
+    public void setApplicationContext(ApplicationContext applicationContext)
+            throws BeansException {
+        System.out.println("--- setApplicationContext executed ---");
+    }
+
+    @PostConstruct
+    public void postConstruct() {
+        System.out.println("--- @PostConstruct executed ---");
+    }
+
+    @Override
+    public void afterPropertiesSet() {
+        System.out.println("--- afterPropertiesSet executed ---");
+    }
+
+    public void initMethod() {
+        System.out.println("--- init-method executed ---");
+    }
+
+    @PreDestroy
+    public void preDestroy() {
+        System.out.println("--- @PreDestroy executed ---");
+    }
+
+    @Override
+    public void destroy() throws Exception {
+        System.out.println("--- destroy executed ---");
+    }
+
+    public void destroyMethod() {
+        System.out.println("--- destroy-method executed ---");
+    }
+
+}

spring-boot/bean-lifecycle/src/main/java/io/reflectoring/beanlifecycle/MySpringConfiguration.java

@@ -0,0 +1,19 @@
+package io.reflectoring.beanlifecycle;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class MySpringConfiguration {
+
+    @Bean
+    public MyBeanPostProcessor myBeanPostProcessor(){
+        return new MyBeanPostProcessor();
+    }
+
+    @Bean(initMethod = "initMethod", destroyMethod = "destroyMethod")
+    public MySpringBean mySpringBean(){
+        return new MySpringBean();
+    }
+
+}

spring-boot/bean-lifecycle/src/main/java/io/reflectoring/beanlifecycle/ipdatabase/IpDatabaseRepository.java

@@ -0,0 +1,16 @@
+package io.reflectoring.beanlifecycle.ipdatabase;
+
+public class IpDatabaseRepository {
+
+    private String file;
+
+    public IpDatabaseRepository(String file) {
+        this.file = file;
+        // some logic to download and update the new database file
+    }
+
+    public String lookup(String ipAddress){
+        // hardcoded for examplary purposes
+        return "DE";
+    }
+}

spring-boot/bean-lifecycle/src/main/java/io/reflectoring/beanlifecycle/ipdatabase/IpToLocationService.java

@@ -0,0 +1,38 @@
+package io.reflectoring.beanlifecycle.ipdatabase;
+
+import org.springframework.beans.BeansException;
+import org.springframework.beans.factory.BeanFactory;
+import org.springframework.beans.factory.BeanFactoryAware;
+import org.springframework.beans.factory.support.AbstractBeanDefinition;
+import org.springframework.beans.factory.support.BeanDefinitionBuilder;
+import org.springframework.beans.factory.support.DefaultListableBeanFactory;
+import org.springframework.stereotype.Service;
+
+@Service
+public class IpToLocationService implements BeanFactoryAware {
+
+    DefaultListableBeanFactory listableBeanFactory;
+    IpDatabaseRepository ipDatabaseRepository;
+
+    @Override
+    public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
+        listableBeanFactory = (DefaultListableBeanFactory) beanFactory;
+        updateIpDatabase();
+    }
+
+    public void updateIpDatabase(){
+        String updateUrl = "https://download.acme.com/latest/ip-address-database.mdb";
+
+        AbstractBeanDefinition definition = BeanDefinitionBuilder
+                .genericBeanDefinition(IpDatabaseRepository.class)
+                .addConstructorArgValue(updateUrl)
+                .getBeanDefinition();
+
+        listableBeanFactory.registerBeanDefinition("ipDatabaseRepository", definition);
+        this.ipDatabaseRepository = listableBeanFactory.getBean(IpDatabaseRepository.class);
+    }
+
+    public String getCountry(String ipAddress){
+        return ipDatabaseRepository.lookup(ipAddress);
+    }
+}

spring-boot/bean-lifecycle/src/main/java/io/reflectoring/beanlifecycle/jersey/JerseyConfig.java

@@ -0,0 +1,22 @@
+package io.reflectoring.beanlifecycle.jersey;
+
+import org.glassfish.jersey.server.ResourceConfig;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.annotation.Configuration;
+
+import javax.annotation.PostConstruct;
+import javax.ws.rs.Path;
+
+@Configuration
+public class JerseyConfig extends ResourceConfig {
+
+    @Autowired
+    private ApplicationContext applicationContext;
+
+    @PostConstruct
+    public void registerResources() {
+        applicationContext.getBeansWithAnnotation(Path.class).values().forEach(this::register);
+    }
+
+}

spring-boot/bean-lifecycle/src/main/java/io/reflectoring/beanlifecycle/jersey/LocationResource.java

@@ -0,0 +1,34 @@
+package io.reflectoring.beanlifecycle.jersey;
+
+import io.reflectoring.beanlifecycle.ipdatabase.IpToLocationService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.ws.rs.GET;
+import javax.ws.rs.POST;
+import javax.ws.rs.Path;
+
+@Component
+@Path("/api")
+public class LocationResource {
+
+    @Autowired
+    HttpServletRequest servletRequest;
+
+    @Autowired
+    IpToLocationService locationService;
+
+    @GET
+    @Path("/location")
+    public String location() {
+        return locationService.getCountry(servletRequest.getRemoteAddr());
+    }
+
+    @POST
+    @Path("/update")
+    public void update() {
+        locationService.updateIpDatabase();
+    }
+
+}

spring-boot/bean-lifecycle/src/main/java/io/reflectoring/beanlifecycle/logging/NamedSpringBean.java

@@ -0,0 +1,17 @@
+package io.reflectoring.beanlifecycle.logging;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.BeanNameAware;
+import org.springframework.stereotype.Component;
+
+@Component
+public class NamedSpringBean implements BeanNameAware {
+
+    Logger logger = LoggerFactory.getLogger(NamedSpringBean.class);
+
+    public void setBeanName(String name) {
+        logger.info(name + " created.");
+    }
+
+}

spring-boot/bean-lifecycle/src/main/java/io/reflectoring/beanlifecycle/quartz/AutowireCapableJobFactory.java

@@ -0,0 +1,28 @@
+package io.reflectoring.beanlifecycle.quartz;
+
+import org.quartz.spi.TriggerFiredBundle;
+import org.springframework.beans.factory.config.AutowireCapableBeanFactory;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.ApplicationContextAware;
+import org.springframework.scheduling.quartz.SpringBeanJobFactory;
+
+/**
+ * Custom Quartz {@link org.quartz.spi.JobFactory} to provide bean autowire capability
+ */
+public class AutowireCapableJobFactory extends SpringBeanJobFactory implements ApplicationContextAware {
+
+    private AutowireCapableBeanFactory beanFactory;
+
+    @Override
+    public void setApplicationContext(final ApplicationContext context) {
+        this.beanFactory = context.getAutowireCapableBeanFactory();
+    }
+
+    @Override
+    protected Object createJobInstance(final TriggerFiredBundle bundle) throws Exception {
+        final Object job = super.createJobInstance(bundle);
+        this.beanFactory.autowireBean(job);
+        return job;
+    }
+
+}

spring-boot/bean-lifecycle/src/main/java/io/reflectoring/beanlifecycle/quartz/QuartzConfig.java

@@ -0,0 +1,29 @@
+package io.reflectoring.beanlifecycle.quartz;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.scheduling.quartz.SchedulerFactoryBean;
+
+@Configuration
+public class QuartzConfig {
+
+    @Autowired
+    ApplicationContext applicationContext;
+
+    /**
+     * Create custom {@link SchedulerFactoryBean} for Quartz
+     */
+    @Bean
+    public SchedulerFactoryBean schedulerFactoryBean(){
+        AutowireCapableJobFactory jobFactory = new AutowireCapableJobFactory();
+        jobFactory.setApplicationContext(applicationContext);
+
+        SchedulerFactoryBean factoryBean = new SchedulerFactoryBean();
+        factoryBean.setJobFactory(jobFactory);
+
+        return factoryBean;
+    }
+
+}

spring-boot/bean-lifecycle/src/test/java/io/reflectoring/beanlifecycle/BeanLifecycleApplicationTests.java

@@ -0,0 +1,22 @@
+package io.reflectoring.beanlifecycle;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@SpringBootTest
+public class BeanLifecycleApplicationTests {
+
+    @Autowired
+    public MySpringBean mySpringBean;
+
+    @Test
+    public void testMySpringBeanLifecycle() {
+        String message = "Hello World";
+        mySpringBean.sendMessage(message);
+        assertThat(mySpringBean.getMessage()).isEqualTo(message);
+    }
+
+}

spring-boot/boundaries/README.md

@@ -0,0 +1,5 @@
+# Clean Architecture Boundaries with Spring Boot and ArchUnit
+
+## Blog posts 
+
+* [Clean Architecture Boundaries with Spring Boot and ArchUnit](https://reflectoring.io/java-components-clean-boundaries/) 

spring-boot/cache/src/test/java/io/reflectoring/cache/AbstractIntegrationTest.java

@@ -0,0 +1,22 @@
+package io.reflectoring.cache;
+
+import org.junit.jupiter.api.BeforeAll;
+import org.testcontainers.containers.FixedHostPortGenericContainer;
+import org.testcontainers.containers.GenericContainer;
+
+public class AbstractIntegrationTest {
+
+  static GenericContainer firstMember =
+      new FixedHostPortGenericContainer("hazelcast/hazelcast:4.0.1")
+          .withFixedExposedPort(5701, 5701);
+
+  static GenericContainer secondMember =
+      new FixedHostPortGenericContainer("hazelcast/hazelcast:4.0.1")
+          .withFixedExposedPort(5702, 5701);
+
+    @BeforeAll
+    public static void init() {
+        firstMember.start();
+        secondMember.start();
+    }
+}

spring-boot/cache/src/test/java/io/reflectoring/cache/rest/CarResourceClientCacheIntegrationTest.java

@@ -2,6 +2,7 @@ package io.reflectoring.cache.rest;
 
 
 import com.fasterxml.jackson.databind.ObjectMapper;
+import io.reflectoring.cache.AbstractIntegrationTest;
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
@@ -16,7 +17,7 @@ import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.
 @SpringBootTest
 @AutoConfigureMockMvc
 @ActiveProfiles("client")
-class CarResourceClientCacheIntegrationTest {
+class CarResourceClientCacheIntegrationTest extends AbstractIntegrationTest {
 
     @Autowired
     private MockMvc mockMvc;