version: '3.9'

services:
  backend:
    container_name: "${APP_NAME}-backend"
    build:
      context: .
      dockerfile: deployment/Dockerfile
      args:
        - APP_NAME=${APP_NAME}
        - APP_HOST=${APP_HOST}
        - APP_PORT=${APP_PORT}
    volumes:
      - ./src:/usr/src/app/
      - ./deployment/scripts:/app/deployment/scripts/
      - static_files:/usr/src/app/static
      - media_files:/usr/src/app/media
    labels:
      - "traefik.enable=true"
      - "traefik.http.routers.${APP_NAME}-backend.rule=Host(`${APP_DOMAIN}`)"
      - "traefik.http.routers.${APP_NAME}-backend.entrypoints=web-secure"
      - "traefik.http.services.${APP_NAME}-backend.loadbalancer.server.port=${APP_PORT}"
      - "traefik.http.routers.${APP_NAME}-backend.tls.certresolver=letsencrypt"
    env_file: .env
    expose:
      - "${APP_PORT:-8000}"
    depends_on:
      - db
      - redis
    command: [ "/bin/sh", "/app/deployment/scripts/backend/start.sh" ]

  db:
    image: postgres:15.2-alpine
    container_name: "${APP_NAME}-db"
    hostname: "${POSTGRES_HOST:-db}"
    volumes:
      - postgres_data_dir:/var/lib/postgresql/data/
    env_file: .env
    expose:
      - "${POSTGRES_PORT:-5432}"
    shm_size: 1g


  redis:
    container_name: "${APP_NAME}-redis"
    image: redis:latest
    volumes:
        - redis_data:/data

  celery-worker: &celery-worker
    container_name: "${APP_NAME}-celery-worker"
    build:
      context: .
      dockerfile: deployment/Dockerfile
    volumes:
      - ./src:/usr/src/app/
      - ./deployment/scripts:/app/deployment/scripts/
    env_file: .env
    depends_on:
      - db
      - redis
      - backend
    command: [ "/bin/sh", "/app/deployment/scripts/celery/start-worker.sh" ]

  celery-beat:
    <<: *celery-worker
    container_name: "${APP_NAME}-celery-beat"
    command: [ "/bin/sh", "/app/deployment/scripts/celery/start-beat.sh" ]

  nginx:
    image: nginx:latest
    container_name: "${APP_NAME}-nginx"
    volumes:
      - ./deployment/scripts/nginx/nginx.conf:/etc/nginx/nginx.conf:ro
      - static_files:/usr/src/app/static
      - media_files:/usr/src/app/media
    labels:
      - "traefik.enable=true"
      - "traefik.http.routers.${APP_NAME}-nginx.rule=Host(`${APP_HOST}`) && (PathPrefix(`/static`) || PathPrefix(`/media`))"
      - "traefik.http.routers.${APP_NAME}-nginx.entrypoints=web"
      - "traefik.http.services.${APP_NAME}-nginx.loadbalancer.server.port=80"
    depends_on:
      - backend

  traefik:
    image: traefik:v2.5
    container_name: "${APP_NAME}-traefik"
    command:
      - "--providers.docker=true"
      - "--providers.docker.exposedbydefault=false"
      - "--entrypoints.web.address=:80"
      - "--entrypoints.web-secure.address=:443"
      - "--log.level=DEBUG"
      - "--log.format=json"
      - "--log.filePath=/logs/traefik.log"
      - "--accesslog=true"
      - "--accesslog.filePath=/logs/access.log"
      - "--certificatesresolvers.letsencrypt.acme.email=${LETSENCRYPT_EMAIL}"
      - "--certificatesresolvers.letsencrypt.acme.storage=/letsencrypt/acme.json"
      - "--certificatesresolvers.letsencrypt.acme.httpchallenge=true"
      - "--certificatesresolvers.letsencrypt.acme.httpchallenge.entrypoint=web"
    ports:
      - "80:80"
      - "443:443"
    volumes:
      - "/var/run/docker.sock:/var/run/docker.sock"
      - "./letsencrypt:/letsencrypt"
    networks:
      - default

volumes:
  static_files:
  media_files:
  postgres_data_dir:
  redis_data:
  letsencrypt: