Implement Docker deployment with Docker Compose

Dockerfile

@@ -0,0 +1,10 @@
+FROM openjdk:17-jdk-slim
+
+WORKDIR /app
+
+# Copy the application JAR file 
+COPY spring-petclinic-3.3.0-SNAPSHOT.jar /app/spring-petclinic.jar
+
+EXPOSE 8080
+
+ENTRYPOINT ["java", "-jar", "spring-petclinic.jar"]

docker-compose.yml

@@ -1,25 +1,39 @@
+version: '3.8'
+
 services:
-  mysql:
-    image: mysql:8.4
+  app:
+    image: spring-petclinic:latest
+    container_name: app
     ports:
-      - "3306:3306"
+      - "8080:8080"
     environment:
-      - MYSQL_ROOT_PASSWORD=
-      - MYSQL_ALLOW_EMPTY_PASSWORD=true
-      - MYSQL_USER=petclinic
-      - MYSQL_PASSWORD=petclinic
-      - MYSQL_DATABASE=petclinic
-    volumes:
-      - "./conf.d:/etc/mysql/conf.d:ro"
-    profiles:
-      - mysql
-  postgres:
+      SPRING_DATASOURCE_URL: jdbc:postgresql://db:5432/petclinic
+      SPRING_DATASOURCE_USERNAME: petclinic
+      SPRING_DATASOURCE_PASSWORD: petclinic
+      SPRING_PROFILES_ACTIVE: postgres
+    depends_on:
+      - db
+    networks:
+      - app-network
+
+  db:
     image: postgres:16.3
+    container_name: db
+    environment:
+      POSTGRES_USER: petclinic
+      POSTGRES_PASSWORD: petclinic
+      POSTGRES_DB: petclinic
     ports:
       - "5432:5432"
-    environment:
-      - POSTGRES_PASSWORD=petclinic
-      - POSTGRES_USER=petclinic
-      - POSTGRES_DB=petclinic
-    profiles:
-      - postgres
+    volumes:
+      - db-data:/var/lib/postgresql/data  # Volume for PostgreSQL data persistence
+    networks:
+      - app-network
+
+networks:
+  app-network:
+    name: app-network
+
+volumes:
+  db-data:
+    name: db-data