docker-compose.yml

services:
  postgres_db:
    image: postgres:12.9
    restart: always
    container_name: postgres_db
    hostname: postgres_db
    volumes:
      - postgres-data:/var/lib/postgresql/data
#      - postgres-data:/var/lib/postgresql/data
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
      POSTGRES_DB: todo_db
      # TODO: try mapping to different host and container ports
    networks:
      app_db_net:
        aliases:
            - postgres_db
            - app
    ports:
      - "5432:5432"

  app:
    #image: openjdk:8
    build: .
    image: nixos89/todo_app:0.1
    restart: on-failure
    container_name: todo_app
    hostname: postgres_db
    depends_on:
      - "postgres_db"
    ports:
      - "8080:8080"
    volumes:
      - ./build/libs:/app
    networks:
      app_db_net:
        aliases:
          - postgres_db
          - app
    environment:
      SPRING_DATASOURCE_URL: jdbc:postgresql://postgres_db:5432/todo_db
      SPRING_DATASOURCE_DRIVER_CLASS_NAME: org.postgresql.Driver
      SPRING_DATASOURCE_USERNAME: postgres
      SPRING_DATASOURCE_PASSWORD: postgres
      SPRING_JPA_HIBERNATE_DDL_AUTO: update
      SPRING_FLYWAY_USER: postgres
      SPRING_FLYWAY_PASSWORD: postgres

networks:
  app_db_net:
    driver: bridge
    external: true

volumes:
  postgres-data: