docker-compose.yaml

version: "3"
services:
  db:
    image: postgres:15-alpine
    environment:
      - POSTGRES_DB=johar
      - POSTGRES_USER=postgres
      - POSTGRES_PASSWORD=postgres
    restart: unless-stopped
    volumes:
      - pg_data:/var/lib/postgresql/data/

  cache:
    image: redis:alpine3.18
    restart: unless-stopped

  frontend:
    image: kysre/johar-frontend:${FRONTEND_IMAGE_TAG}
    restart: unless-stopped
    deploy:
      mode: replicated
      replicas: ${FRONTEND_REPLICA_COUNT}

  backend:
    image: kysre/johar:${BACKEND_IMAGE_TAG}
    environment:
      - DJANGO_SETTINGS_MODULE=johar.settings.production
      - ALLOWED_HOSTS=*
      - DATABASE_URL=postgres://postgres:postgres@db:5432/johar
      - REDIS_HOST=cache
      - NEWS_REDIS_DB=1
      - NEWS_SUGGESTION_COUNT=5
    restart: unless-stopped
    depends_on:
      - db
      - cache
    deploy:
      mode: replicated
      replicas: ${BACKEND_REPLICA_COUNT}
    volumes:
      - static:/code/static
      - media:/code/media

  reverse_proxy:
    build:
      context: ./nginx
    restart: unless-stopped
    depends_on:
      - backend
      - frontend
    ports:
      - "8000:80"
    volumes:
      - static:/usr/share/nginx/html/backend/static
      - media:/usr/share/nginx/html/backend/media

volumes:
  pg_data:
    driver: local
  static:
    driver: local
  media:
    driver: local