Adding the Django service

Within docker-compose.yaml, replace the entire python block with the following:

django:
    build:
      context: ./
      dockerfile: ./Dockerfile
    entrypoint: bash ./django-launcher.sh
    volumes:
      - .:/usr/src/app/
    environment:
      DEBUG: "True"
      ALLOWED_HOSTS: hello.localhost
      SECRET_KEY: mysecret
      DB_ENGINE: django.db.backends.postgresql
      DB_NAME: hello_db
      DB_USER: postgres
      DB_PASSWORD: postgres
      DB_HOST: postgresql
      DB_PORT: 5432
   &...