Compose yml example file

version: '3.2'

volumes:
  postgres_data:

services:
 postgres:
    build: ./docker/postgres
    container_name: ${PROJECT_NAME}_postgres
    image: ${PROJECT_NAME}_postgres
    command: -c fsync=off -c synchronous_commit=off -c full_page_writes=off
    restart: on-failure
volumes:
    - postgres_data:/var/lib/postgresql/data
    ports:
      - "${DOCKER_POSTGRES_PORT}:5432"
    environment:
      POSTGRES_USER: ${DB_USER}
      POSTGRES_DB: ${PROJECT_NAME}
      POSTGRES_PASSWORD: ${DB_PASSWORD}
    networks:
      - default

  backend:
    build: ./docker/python
    container_name: ${PROJECT_NAME}_backend
    image: ${PROJECT_NAME}_backend
    command: /bin/bash -c "PIPENV_DONT_LOAD_ENV=1 pipenv install --system --deploy && python manage.py migrate && python manage.py runserver 0.0.0.0:8000"
    restart: on-failure
    volumes: .:/usr/src/app
    ports:
      - "${DOCKER_BACKEND_PORT}:8000"
    working_dir: /usr/src/app
    environment:
      - DJANGO_DEBUG=True
      - DATABASE_URL=postgresql://${DB_USER}:${DB_PASSWORD}@postgres:5432/${PROJECT_NAME}
      - ALLOWED_HOSTS=*
      - DJANGO_SECRET_KEY=notsafeforproduction
    networks:
      - default
    depends_on:
      - postgres