services:
  web:
    build: .
    ports:
      - "3000:3000"
    environment:
      - NODE_ENV=production
    depends_on:
      - db
    networks:
      - my_network

  db:
    image: postgres:latest
    environment:
      POSTGRES_USER: ${POSTGRES_USER}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
      POSTGRES_DB: ${POSTGRES_DB}
    # ports:
    # this exposes the database to the public ... do we want that??
    # - "5432:5432"
    volumes:
      - postgres_data:/var/lib/postgresql/data
    networks:
      - my_network

  cron:
    image: alpine/curl
    command: >
      sh -c "
        echo '*/10 * * * * curl -X POST http://web:3000/db/clear' > /etc/crontabs/root && \
        crond -f -l 2
      "
    depends_on:
      - web
    networks:
      - my_network

volumes:
  postgres_data:

networks:
  my_network:
    name: my_network
    driver: bridge