docker_practice/compose/demo/django/docker-compose.yml

version: "3"
services:

  db:
    image: postgres
    environment:
      POSTGRES_PASSWORD: 'postgres'

  web:
    build: .
    command: python manage.py runserver 0.0.0.0:8000
    volumes:
      - .:/code
    ports:
      - "8000:8000"