docker-compose.production.yml

version: '3.7'
# Данный файл предназначается для запуска образов на проде. Он только берет образы с тегом latest и запускает их.

volumes:
  staticfiles:
    name: staticfiles
    driver: local

networks:
  default:
    external:
      name: demo-production

services:

  db:
    image: ${CI_REGISTRY_IMAGE}/db:latest
    container_name: db-prod
    restart: 'always'
    environment:
      - POSTGRES_USER=postgres
      - POSTGRES_PASSWORD=postgres
      - DB_NAME=demo
      - DB_USER
      - DB_PASSWORD
    ports:
      - 127.0.0.1:5432:5432
    volumes:
      - /srv/demo-prj/db/data:/var/lib/postgresql/data
      - /srv/demo-prj/db/backupsrvkey:/backupsrvkey
    shm_size: 128MB
    command: ["postgres"]

  .common_backend_code: &common_backend_code
    image: ${CI_REGISTRY_IMAGE}/backend:latest
    restart: 'always'
    environment:
      - BACKEND_HOSTNAME=backend-prod
      - DB_HOST=db-prod
      - DB_PORT=5432
      - DB_USER
      - DB_PASSWORD
      - DEBUG=False
      - ALLOWED_WEB_HOST
      - NGINX_SERVER_HOSTNAME=${NGINX_SERVER_HOSTNAME}
      - SECRET_KEY
      - GUNICORN_WORKERS_NUM=${GUNICORN_WORKERS_NUM:-2}
    depends_on:
      - db

  backend:
    <<: *common_backend_code
    container_name: backend-prod
    command: gunicorn --access-logfile - src.core.wsgi:application --workers=2 --timeout 180 -b 0.0.0.0:8000
    expose:
      - 8000
    volumes:
      - staticfiles:/app/static

  proxy:
    image: ${CI_REGISTRY_IMAGE}/proxy:latest
    restart: 'always'
    environment:
      - ALLOWED_WEB_HOST=${ALLOWED_WEB_HOST}
      - PRODUCTION_ALLOWED_WEB_HOST=${PRODUCTION_ALLOWED_WEB_HOST}
      - NGINX_BACKEND_CONTAINER_NAME=backend-prod
      - NGINX_SERVER_HOSTNAME=${NGINX_SERVER_HOSTNAME}
      - NGINX_ACCESS_LOG_SETTINGS=${NGINX_ACCESS_LOG_SETTINGS}
    ports:
      - ${PRODUCTION_ALLOWED_WEB_HOST}:8000:80
    container_name: proxy-prod
    command: /bin/bash -c "envsubst '$${NGINX_BACKEND_CONTAINER_NAME},$${NGINX_SERVER_HOSTNAME},$${NGINX_ACCESS_LOG_SETTINGS}' < /etc/nginx/demo.nginx > /etc/nginx/nginx.conf && exec nginx -g 'daemon off;'"
    volumes:
      - staticfiles:/static
    depends_on:
      - backend