docker-compose.yml

# Define services
services:

  postgres:
    container_name: postgres
    image: "postgres:12"
    environment:
      POSTGRES_USER: "postgres"
      POSTGRES_PASSWORD: "1234"
      POSTGRES_DB: "hotel_reservation"
      POSTGRES_HOST: "127.0.0.1"
      PGDATA: "/data/postgres"
    expose:
      - 5432
    volumes:
      - postgres:/data/postgres
      - ./docker_postgres_init.sql:/docker-entrypoint-initdb.d/docker_postgres_init.sql
    ports:
      - "5432:5432"
    restart: unless-stopped
    networks:
      - backend
  rabbitmq:
    image: rabbitmq:3.8-management-alpine
    container_name: 'rabbitmq'
    ports:
      - 5673:5672
      - 15673:15672
    volumes:
      - ~/.docker-conf/rabbitmq/data/:/var/lib/rabbitmq/
      - ~/.docker-conf/rabbitmq/log/:/var/log/rabbitmq
    networks:
      - backend
  # App Service
  app:
    # Configuration for building the docker image for the service
    build:
      context: . # Use an image built from the specified dockerfile in the current directory.
      dockerfile: Dockerfile
    ports:
      - "8080:8080" # Forward the exposed port 8080 on the container to port 8080 on the host machine
    restart: unless-stopped
    depends_on:
      - postgres # This service depends on redis. Start that first.
    environment: # Pass environment variables to the service
      REDIS_URL: redis:6379
    networks: # Networks to join (Services on the same network can communicate with each other using their name)
      - backend
networks:
  backend:
volumes:
  postgres: