Build

.gitignore

@@ -14,3 +14,6 @@ target/*
 !.vscode/launch.json
 !.vscode/extensions.json
 _site/
+docker/docker_APP/.m2
+docker/docker_swarm/.env
+

docker/Readme.md

@@ -0,0 +1 @@
+BUILD SPRING-PETCLINIC VIA DOCKER

docker/docker_APP/Dockerfile

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+# syntax=docker/dockerfile:experimental
+#---------------------------------------------------------------------------
+# Dockefile to build Docker Image of application container for spring_APP running on Ubuntu
+#---------------------------------------------------------------------------
+
+# ======= BUILD APP ========
+FROM openjdk:8-jdk-alpine as builder
+
+WORKDIR /spring
+# Copy SRC and build application
+COPY . /spring
+# COPY docker/docker_APP/application-mysql.properties /spring/src/main/resources/application-mysql.properties
+RUN --mount=type=cache,target=/root/.m2 /spring/mvnw -Dcheckstyle.skip package
+
+# ======= START APP =========
+
+FROM openjdk:8-jre-alpine
+# RUN APP
+
+COPY --from=builder /spring/target/spring-petclinic-2.3.1.BUILD-SNAPSHOT.jar /app.jar
+CMD  [ "java", "-jar", "-Dspring.profiles.active=mysql", "/app.jar"]
+EXPOSE 8080
+

docker/docker_APP/Dockerfile.reserve

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+#---------------------------------------------------------------------------
+# Dockefile to build Docker Image of application container for spring_APP running on Ubuntu
+#---------------------------------------------------------------------------
+
+# ======== CLONE SRC ==========
+FROM alpine/git:v2.26.2 as git
+
+# Setting vars
+# Define URL via --build-arg
+ARG URL 
+
+# Clone repo
+RUN mkdir /springapp && \
+cd /springapp && \
+git clone $URL
+
+# ========= BUILDER ========
+
+FROM openjdk:8-jdk-alpine as builder
+# COPY src and .m2
+ENV PROJECT_DIR /springapp/spring-petclinic
+VOLUME /root/.m2 
+COPY .m2  /root/.m2
+COPY --from=git /springapp /springapp
+
+# Build application
+COPY application-mysql.properties $PROJECT_DIR/src/main/resources/application-mysql.properties
+RUN cd $PROJECT_DIR && \
+ ./mvnw clean package
+
+# ======= START APP =========
+
+FROM openjdk:8-jre-alpine
+
+# RUN APP
+COPY --from=builder /springapp/spring-petclinic/target/spring-petclinic-2.3.1.BUILD-SNAPSHOT.jar /app.jar
+CMD  [ "java", "-jar", "-Dspring.profiles.active=mysql", "/app.jar"]
+EXPOSE 8080
+

docker/docker_APP/Readme.md

@@ -0,0 +1,19 @@
+====================== BUILD ===========================
+
+DOCKER_BUILDKIT=1 docker build  -t name:tag -f docker/docker_APP/Dockerfile $GIT_URL#$build_branch
+
+============== BUILD RESERVE DOCKERFILE ================
+
+docker build -t name:tag --build-arg URL=$GIT_URL . 
+
+================== RUN CONTAINER =======================
+
+docker run -d -p 8080:8080 \
+-e DB_HOST=$IP_DB \
+-e DB_PORT=$DB_PORT \
+-e DB_NAME=$MYSQL_DATABASE \
+-e DB_USER=$MYSQL_USER \
+-e DB_PASS=$DB_PASS \
+--name APP_CONT \
+--network my-net \
+petclinc-app:tag

docker/docker_APP/application-mysql.properties

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+# database init, supports mysql too
+database=mysql
+spring.datasource.url= jdbc:mysql://${DB_HOST}:${DB_PORT}/${DB_NAME}
+spring.datasource.username=${DB_USER}
+spring.datasource.password=${DB_PASS}
+# SQL is written to be idempotent so this is safe
+spring.datasource.initialization-mode=always
+

docker/docker_DB/Dockerfile

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+#---------------------------------------------------------------------------
+# Dockefile to build Docker Image of application container for spring_DB running on mysql image
+#---------------------------------------------------------------------------
+
+FROM mysql:latest
+# Setting vars  
+ENV MYSQL_USER $DB_USER
+ENV MYSQL_DATABASE $DB_NAME
+
+# Set on run via -e  
+# MYSQL_PASSWORD
+# MYSQL_ROOT_PASSWORD
+
+# EXPOSE 3306
+

docker/docker_DB/Readme.md

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+================== RUN CONTAINER =====================
+
+ **** By default MYSQL_USER=$DB_USER, MYSQL_DATABASE=$DB_NAME
+
+docker run \
+-e MYSQL_PASSWORD=$DB_PASS \
+-e MYSQL_ROOT_PASSWORD=$DB_ROOT_PASS \
+-v vol_for_db:/var/lib/mysql/ \
+--name DB_CONT \
+--network my-net \
+--ip $IP_DB \
+-d petclinic-db:tag
+
+

docker/docker_registry/docker-compose.yml

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+version: "3.3"
+services:
+ registry:
+  restart: always
+  image: registry:2
+  ports:
+    - 5000:5000
+# Define network for registry
+  networks:
+      vpcbr:
+        ipv4_address: 10.5.0.6
+# Bind host dir   
+  volumes:
+    - /registry_doceker:/var/lib/registry
+# Create network type bridge for remote access
+networks:
+  vpcbr:
+    driver: bridge
+    ipam:
+     config:
+       - subnet: 10.5.0.0/16
+

docker/docker_swarm/Readme.md

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+docker-compose.yml for create Swarm stack which includes two services (app, db)

docker/docker_swarm/docker-compose.yml

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+version: '3.1'
+
+# SERVICES
+services:
+# ------ Configure DB -------
+  mysql:
+    image: ${REGISTRY}/petclinic-db:${TAG_DB}
+    environment:
+      - MYSQL_ROOT_PASSWORD=${DB_ROOT_PASS}
+ #    - MYSQL_ALLOW_EMPTY_PASSWORD=true
+ #    - MYSQL_USER=${DB_USER}
+      - MYSQL_PASSWORD=${DB_PASS}
+ #    - MYSQL_DATABASE=${DB_NAME}
+    volumes:
+       - /backupDB:/var/lib/mysql/
+#    ports:
+#      - "3306:3306"
+    deploy:
+      replicas: 1
+      update_config:
+        parallelism: 1
+        delay: 5s
+      restart_policy:
+        condition: on-failure
+      placement:
+#        constraints: [node.labels.type == db]
+         constraints: [node.role == manager]
+#  ----------- Configure APP ----------  
+  appspring:
+    image: ${REGISTRY}/petclinic-app:${TAG_APP}
+    ports:
+      - "8080:8080"
+    depends_on:
+      - mysql
+    environment:
+        - MYSQL_URL=jdbc:mysql://mysql:${DB_PORT}/petclinic  
+        - MYSQL_USER=${MYSQL_USER} 
+        - MYSQL_PAS=${DB_PASS} 
+    deploy:
+      replicas: 2
+      update_config:
+        parallelism: 1
+        delay: 5s
+      restart_policy:
+        condition: on-failure
+      placement:
+#        constraints: [node.labels.type == app]
+         constraints: [node.role == manager]