docker

.env.template

@@ -0,0 +1,9 @@
+MYSQLDB_USER=user
+MYSQLDB_DATABASE=db
+MYSQLDB_ROOT_PASSWORD=pass
+MYSQLDB_LOCAL_PORT=port
+MYSQLDB_DOCKER_PORT=port
+
+SPRING_LOCAL_PORT=port
+SPRING_DOCKER_PORT=port
+DEBUG_PORT=port

.gitignore

@@ -18,6 +18,7 @@ target/
 *.iws
 *.iml
 *.ipr
+.env
 
 ### NetBeans ###
 /nbproject/private/

Dockerfile

@@ -0,0 +1,17 @@
+# Builder stage
+FROM openjdk:17-jdk-alpine AS builder
+WORKDIR /application
+ARG JAR_FILE=target/*.jar
+COPY ${JAR_FILE} application.jar
+RUN java -Djarmode=layertools -jar application.jar extract
+
+# Final stage
+FROM openjdk:17-jdk-alpine
+WORKDIR /application
+COPY --from=builder application/dependencies/ ./
+COPY --from=builder application/spring-boot-loader/ ./
+COPY --from=builder application/snapshot-dependencies/ ./
+COPY --from=builder application/application/ ./
+ENTRYPOINT ["java", "org.springframework.boot.loader.launch.JarLauncher"]
+EXPOSE 8080
+EXPOSE 5005

docker-compose.yml

@@ -0,0 +1,40 @@
+services:
+  mysqldb:
+    platform: linux/arm64
+    image: mysql:8.0.33
+    restart: unless-stopped
+    env_file: ./.env
+    environment:
+      - MYSQL_ROOT_PASSWORD=$MYSQLDB_ROOT_PASSWORD
+      - MYSQL_DATABASE=$MYSQLDB_DATABASE
+    ports:
+      - $MYSQLDB_LOCAL_PORT:$MYSQLDB_DOCKER_PORT
+    healthcheck:
+      test: ["CMD", "mysqladmin", "ping", "-h", "localhost"]
+      interval: 30s
+      timeout: 30s
+      retries: 3
+
+  app:
+    depends_on:
+      mysqldb:
+        condition: service_healthy
+    restart: on-failure
+    build: .
+    env_file: ./.env
+    ports:
+      - $SPRING_LOCAL_PORT:$SPRING_DOCKER_PORT
+      - $DEBUG_PORT:$DEBUG_PORT
+    environment:
+      SPRING_APPLICATION_JSON: '{
+        "spring.datasource.url"  : "jdbc:mysql://mysqldb:$MYSQLDB_DOCKER_PORT/$MYSQLDB_DATABASE",
+        "spring.datasource.username" : "$MYSQLDB_USER",
+        "spring.datasource.password" : "$MYSQLDB_ROOT_PASSWORD",
+        "spring.jpa.properties.hibernate.dialect" : "org.hibernate.dialect.MySQLDialect"
+      }'
+      JAVA_TOOL_OPTIONS: "-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=*:$DEBUG_PORT"
+    healthcheck:
+      test: ["CMD-SHELL", "curl -f http://localhost:$SPRING_LOCAL_PORT/actuator/health || exit 1"]
+      interval: 30s
+      timeout: 10s
+      retries: 3

src/main/resources/application.properties

@@ -1,8 +1,6 @@
 spring.application.name=BookStore
-spring.datasource.url=jdbc:mysql://localhost/book_store?serverTimezone=UTC
+spring.datasource.url=jdbc:mysql://localhost:3306/book_store?serverTimezone=UTC
 spring.datasource.driverClassName=com.mysql.cj.jdbc.Driver
-spring.datasource.username=root
-spring.datasource.password=pass
 
 spring.jpa.hibernate.ddl-auto=validate
 spring.jpa.show-sql=true