version: '3'
services:
  web:
    build:
      context: .
      dockerfile: Dockerfile
    ports:
      - "4000:4000"
    volumes:
      - .:/app:cached
    environment:
      POSTGRES_HOST: database
      POSTGRES_DB: lightning_dev
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
      PORT: 4000
    depends_on:
      - database
  database:
    image: postgres:10.0
    volumes:
       - db_data:/var/lib/postgresql/data:cached
    environment:
      POSTGRES_DB: lightning_dev
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
volumes:
    db_data: