docker-compose.yml

version: '3' #This denotes that we are using version 3 of Docker Compose
services: #This section defines all the different containers we will create.
  postgres_service:
    container_name: postgres_container
    image: postgres:12.9
    environment:
      POSTGRES_USER: ${POSTGRES_USER:-postgres}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-123}
      PGDATA: /data/postgres
    volumes:
       - postgres:/data/postgres
    # expose: # Publishes 7775 to other containers but NOT to host machine
    #   - "7775" 
    ports:
      - "5432:5432"
    networks:
      - bloggy-network
    restart: unless-stopped
    # command: -p 7775
  bloggy_server: 
    command: start:prod
    container_name: bloggy_server_container
    build: 
      context: ./
    environment:
      - DB_HOST=postgres_container
      - DB_PORT=5432
      - DB_USERNAME=postgres
      - DB_PASSWORD=123 
    ports: #This is used to map the container’s ports to the host machine.
      - "5000:5000"
    depends_on:
      - postgres_service
    networks:
      - bloggy-network
  bloggy_client: #This is the name of our Nextjs application.
    command: serve
    container_name: bloggy_client_container
    build:
      context: ./src/presentation/ui
    ports: #This is used to map the container’s ports to the host machine.
      - "3000:3000"
    depends_on:
      - bloggy_server
    networks:
      - bloggy-network
networks:
  bloggy-network:
    driver: bridge

volumes:
    postgres: