version: "3"
services:
  db:
    image: postgres:alpine
    environment:
      - POSTGRES_USER=ebau-gwr
      # following option is a must to configure on production system:
      # https://hub.docker.com/_/postgres
      # - POSTGRES_PASSWORD=
    volumes:
      - dbdata:/var/lib/postgresql/data
  gwr:
    ports:
      - "8000:8000"
    depends_on:
      - db
    environment:
      - DATABASE_HOST=db
      # following options are a must to configure on production system:
      # https://docs.djangoproject.com/en/2.1/ref/settings/#std:setting-SECRET_KEY
      # - SECRET_KEY=
      # https://docs.djangoproject.com/en/2.1/ref/settings/#allowed-hosts
      # - ALLOWED_HOSTS=
      # https://docs.djangoproject.com/en/2.1/ref/settings/#password
      # same as postgres password above
      # - DATABASE_PASSWORD=

volumes:
  dbdata: