docker-compose.yml

version: "3.7"
services:
  db:
    environment:
      POSTGRES_PASSWORD: postgres
    image: postgres:alpine
    ports:
      - "5432:5432"
    volumes:
      - ./docker/db/pgdata:/var/lib/postgresql/data
  django: # this just builds the image
    build: .
    image: myproject/django
  web: # actually uses the image to start the server
    image: myproject/django
    command: python manage.py runserver 0.0.0.0:8000
    ports:
      - "8000:8000"
    volumes:
      - .:/usr/local/src
    depends_on:
      - db
      - django
  migrate: # also uses the image to run the migrations
    command: python manage.py migrate
    image: myproject/django
    volumes:
      - .:/usr/local/src
    depends_on:
      - db
      - django