Added Docker support

.Dockerfile

@@ -0,0 +1,16 @@
+# 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.JarLauncher"]
+EXPOSE 8080

.gitignore

@@ -1,5 +1,6 @@
 HELP.md
 target/
+.env
 !.mvn/wrapper/maven-wrapper.jar
 !**/src/main/**/target/
 !**/src/test/**/target/

docker-compose.yml

@@ -0,0 +1,31 @@
+version: '3.8'
+
+services:
+  mysqldb:
+    image: mysql
+    restart: always
+    env_file: ./.env
+    environment:
+      - MYSQL_ROOT_PASSWORD=$MYSQLDB_ROOT_PASSWORD
+      - MYSQLDB_DATABASE=$MYSQLDB_DATABASE
+    ports:
+      - $MYSQLDB_LOCAL_PORT:$MYSQLDB_DOCKER_PORT
+  app:
+    depends_on:
+      - mysqldb
+    restart: on-failure
+    image: online-book-store
+    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?createDatabaseIfNotExist=true",
+        "spring.datasource.username" : "$MYSQLDB_USER",
+        "spring.datasource.password" : "$MYSQLDB_ROOT_PASSWORD",
+        "spring.jpa.properties.hibernate.dialect" : "org.hibernate.dialect.MySQL8Dialect",
+        "spring.jpa.hibernate.ddl-auto" : "validate"
+      }'
+      JAVA_TOOL_OPTIONS: "-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=*:5005"