Java 4293 update dockerizing spring boot app article (#10512)

* JAVA-4293 Fix Dockerize Spring Boot article

* JAVA-4293 Remove authentication / fix pom file

Co-authored-by: mikr <michael.krimgen@ximedes.com>

spring-cloud/spring-cloud-config/docker/Dockerfile

@@ -1,4 +0,0 @@
-FROM alpine:edge
-MAINTAINER baeldung.com
-RUN apk add --no-cache openjdk8
-COPY files/UnlimitedJCEPolicyJDK8/* /usr/lib/jvm/java-1.8-openjdk/jre/lib/security/

spring-cloud/spring-cloud-config/docker/Dockerfile.client

@@ -1,6 +0,0 @@
-FROM alpine-java:base
-MAINTAINER baeldung.com
-RUN apk --no-cache add netcat-openbsd
-COPY files/config-client.jar /opt/spring-cloud/lib/
-COPY files/config-client-entrypoint.sh /opt/spring-cloud/bin/
-RUN chmod 755 /opt/spring-cloud/bin/config-client-entrypoint.sh

spring-cloud/spring-cloud-config/docker/Dockerfile.server

@@ -1,9 +0,0 @@
-FROM alpine-java:base
-MAINTAINER baeldung.com
-COPY files/config-server.jar /opt/spring-cloud/lib/
-ENV SPRING_APPLICATION_JSON='{"spring": {"cloud": {"config": {"server": \
-    {"git": {"uri": "/var/lib/spring-cloud/config-repo", "clone-on-start": true}}}}}}'
-ENTRYPOINT ["/usr/bin/java"]
-CMD ["-jar", "/opt/spring-cloud/lib/config-server.jar"]
-VOLUME /var/lib/spring-cloud/config-repo
-EXPOSE 8888

spring-cloud/spring-cloud-config/docker/config-client-entrypoint.sh

@@ -1,8 +0,0 @@
-#!/bin/sh
-
-while ! nc -z config-server 8888 ; do
-    echo "Waiting for upcoming Config Server"
-    sleep 2
-done
-
-java -jar /opt/spring-cloud/lib/config-client.jar

spring-cloud/spring-cloud-config/docker/docker-compose.scale.yml

@@ -1,41 +0,0 @@
-version: '2'
-services:
-    config-server:
-        build:
-            context: .
-            dockerfile: Dockerfile.server
-        image: config-server:latest
-        expose:
-            - 8888
-        networks:
-            - spring-cloud-network
-        volumes:
-            - spring-cloud-config-repo:/var/lib/spring-cloud/config-repo
-        logging:
-            driver: json-file
-    config-client:
-        build:
-            context: .
-            dockerfile: Dockerfile.client
-        image: config-client:latest
-        entrypoint: /opt/spring-cloud/bin/config-client-entrypoint.sh
-        environment:
-            SPRING_APPLICATION_JSON: '{"spring": {"cloud": {"config": {"uri": "http://config-server:8888"}}}}'
-        expose:
-            - 8080
-        ports:
-            - 8080
-        networks:
-            - spring-cloud-network
-        links:
-            - config-server:config-server
-        depends_on:
-            - config-server
-        logging:
-            driver: json-file
-networks:
-    spring-cloud-network:
-        driver: bridge
-volumes:
-    spring-cloud-config-repo:
-        external: true

spring-cloud/spring-cloud-config/docker/docker-compose.yml

@@ -1,43 +0,0 @@
-version: '2'
-services:
-    config-server:
-        container_name: config-server
-        build:
-            context: .
-            dockerfile: Dockerfile.server
-        image: config-server:latest
-        expose:
-            - 8888
-        networks:
-            - spring-cloud-network
-        volumes:
-            - spring-cloud-config-repo:/var/lib/spring-cloud/config-repo
-        logging:
-            driver: json-file
-    config-client:
-        container_name: config-client
-        build:
-            context: .
-            dockerfile: Dockerfile.client
-        image: config-client:latest
-        entrypoint: /opt/spring-cloud/bin/config-client-entrypoint.sh
-        environment:
-            SPRING_APPLICATION_JSON: '{"spring": {"cloud": {"config": {"uri": "http://config-server:8888"}}}}'
-        expose:
-            - 8080
-        ports:
-            - 8080:8080
-        networks:
-            - spring-cloud-network
-        links:
-            - config-server:config-server
-        depends_on:
-            - config-server
-        logging:
-            driver: json-file
-networks:
-    spring-cloud-network:
-        driver: bridge
-volumes:
-    spring-cloud-config-repo:
-        external: true