docker-compose.prod.yml

version: '3.7'

services:
  web:
    image: ${WEB_IMAGE}
    command: gunicorn pythondjango.wsgi:application --bind 0.0.0.0:8000
    volumes: 
      - static_volume:/static
    expose: 
      - 8000
    environment: 
      - SECRET_KEY=${SECRET_KEY}
      - DJANGO_ALLOWED_HOSTS=${DJANGO_ALLOWED_HOSTS}
      - DB_ENGINE=${DB_ENGINE}
      - DB_NAME=${DB_NAME}
      - DB_USER=${DB_USER}
      - DB_PASSWORD=${DB_PASSWORD}
      - DB_HOST=${DB_HOST}
      - DB_PORT=${DB_PORT}
    depends_on: 
      - db

  db:
    image: postgres
    volumes:
      - postgres_data:/var/lib/postgresql/data/
    environment:
      - POSTGRES_USER=${POSTGRES_USER}
      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
      - POSTGRES_DB=${POSTGRES_DB}

  nginx:
    restart: always
    image: ${NGINX_IMAGE}
    ports:
      - 80:80
    volumes: 
      - static_volume:/static
    depends_on: 
      - web
    
volumes:
  postgres_data:
  static_volume: