version: '3.8'

services:
  # PostgreSQL Database with optimizations
  postgres:
    image: postgres:15-alpine
    container_name: tg_autoposter_postgres_prod
    environment:
      POSTGRES_USER: ${DB_USER}
      POSTGRES_PASSWORD: ${DB_PASSWORD}
      POSTGRES_DB: ${DB_NAME}
      POSTGRES_INITDB_ARGS: "-c shared_buffers=256MB -c max_connections=200 -c effective_cache_size=1GB"
    volumes:
      - postgres_data_prod:/var/lib/postgresql/data
      - ./backups:/backups
    ports:
      - "5432:5432"
    networks:
      - backend
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${DB_USER} -d ${DB_NAME}"]
      interval: 10s
      timeout: 5s
      retries: 10
      start_period: 20s
    restart: always
    deploy:
      resources:
        limits:
          cpus: '2'
          memory: 1G
        reservations:
          cpus: '1'
          memory: 512M
    logging:
      driver: "json-file"
      options:
        max-size: "100m"
        max-file: "10"

  # Redis Cache with persistence
  redis:
    image: redis:7-alpine
    container_name: tg_autoposter_redis_prod
    command: >
      redis-server
      --requirepass ${REDIS_PASSWORD}
      --appendonly yes
      --appendfsync everysec
      --maxmemory 512mb
      --maxmemory-policy allkeys-lru
    volumes:
      - redis_data_prod:/data
    ports:
      - "6379:6379"
    networks:
      - backend
    healthcheck:
      test: ["CMD", "redis-cli", "-a", "${REDIS_PASSWORD}", "ping"]
      interval: 10s
      timeout: 5s
      retries: 10
      start_period: 20s
    restart: always
    deploy:
      resources:
        limits:
          cpus: '1'
          memory: 512M
        reservations:
          cpus: '0.5'
          memory: 256M
    logging:
      driver: "json-file"
      options:
        max-size: "100m"
        max-file: "10"

  # Main Telegram Bot
  bot:
    image: ${DOCKER_USERNAME}/tg-autoposter:latest
    container_name: tg_autoposter_bot_prod
    build:
      context: .
      dockerfile: Dockerfile
    environment:
      - TELEGRAM_BOT_TOKEN=${TELEGRAM_BOT_TOKEN}
      - TELEGRAM_API_ID=${TELEGRAM_API_ID}
      - TELEGRAM_API_HASH=${TELEGRAM_API_HASH}
      - ADMIN_ID=${ADMIN_ID}
      - DB_HOST=postgres
      - DB_PORT=5432
      - DB_USER=${DB_USER}
      - DB_PASSWORD=${DB_PASSWORD}
      - DB_NAME=${DB_NAME}
      - REDIS_HOST=redis
      - REDIS_PORT=6379
      - REDIS_DB=0
      - REDIS_PASSWORD=${REDIS_PASSWORD}
      - CELERY_BROKER_URL=redis://:${REDIS_PASSWORD}@redis:6379/0
      - CELERY_RESULT_BACKEND_URL=redis://:${REDIS_PASSWORD}@redis:6379/1
      - LOG_LEVEL=INFO
      - DEBUG=False
    volumes:
      - ./logs:/app/logs
      - ./sessions:/app/sessions
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy
    networks:
      - backend
    restart: always
    deploy:
      resources:
        limits:
          cpus: '1'
          memory: 512M
        reservations:
          cpus: '0.5'
          memory: 256M
    logging:
      driver: "json-file"
      options:
        max-size: "100m"
        max-file: "10"

  # Celery Worker - Message Queue (4 concurrent)
  celery_worker_send:
    image: ${DOCKER_USERNAME}/tg-autoposter:latest
    container_name: tg_autoposter_worker_send_prod
    build:
      context: .
      dockerfile: Dockerfile
    command: celery -A app.celery_config worker -Q messages -n worker_send@%h -c 4 -l info --max-tasks-per-child=500 --without-gossip --without-mingle --without-heartbeat
    environment:
      - TELEGRAM_BOT_TOKEN=${TELEGRAM_BOT_TOKEN}
      - TELEGRAM_API_ID=${TELEGRAM_API_ID}
      - TELEGRAM_API_HASH=${TELEGRAM_API_HASH}
      - ADMIN_ID=${ADMIN_ID}
      - DB_HOST=postgres
      - DB_PORT=5432
      - DB_USER=${DB_USER}
      - DB_PASSWORD=${DB_PASSWORD}
      - DB_NAME=${DB_NAME}
      - REDIS_HOST=redis
      - REDIS_PORT=6379
      - REDIS_DB=0
      - REDIS_PASSWORD=${REDIS_PASSWORD}
      - CELERY_BROKER_URL=redis://:${REDIS_PASSWORD}@redis:6379/0
      - CELERY_RESULT_BACKEND_URL=redis://:${REDIS_PASSWORD}@redis:6379/1
      - LOG_LEVEL=INFO
    volumes:
      - ./logs:/app/logs
      - ./sessions:/app/sessions
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy
    networks:
      - backend
    restart: always
    deploy:
      replicas: 2
      resources:
        limits:
          cpus: '1'
          memory: 512M
        reservations:
          cpus: '0.5'
          memory: 256M
      update_config:
        parallelism: 1
        delay: 10s
    logging:
      driver: "json-file"
      options:
        max-size: "100m"
        max-file: "10"

  # Celery Worker - Parsing Queue (2 concurrent)
  celery_worker_parse:
    image: ${DOCKER_USERNAME}/tg-autoposter:latest
    container_name: tg_autoposter_worker_parse_prod
    command: celery -A app.celery_config worker -Q parsing -n worker_parse@%h -c 2 -l info --max-tasks-per-child=100 --without-gossip --without-mingle --without-heartbeat
    environment:
      - TELEGRAM_BOT_TOKEN=${TELEGRAM_BOT_TOKEN}
      - TELEGRAM_API_ID=${TELEGRAM_API_ID}
      - TELEGRAM_API_HASH=${TELEGRAM_API_HASH}
      - ADMIN_ID=${ADMIN_ID}
      - DB_HOST=postgres
      - DB_PORT=5432
      - DB_USER=${DB_USER}
      - DB_PASSWORD=${DB_PASSWORD}
      - DB_NAME=${DB_NAME}
      - REDIS_HOST=redis
      - REDIS_PORT=6379
      - REDIS_DB=0
      - REDIS_PASSWORD=${REDIS_PASSWORD}
      - CELERY_BROKER_URL=redis://:${REDIS_PASSWORD}@redis:6379/0
      - CELERY_RESULT_BACKEND_URL=redis://:${REDIS_PASSWORD}@redis:6379/1
      - LOG_LEVEL=INFO
    volumes:
      - ./logs:/app/logs
      - ./sessions:/app/sessions
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy
    networks:
      - backend
    restart: always
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: 256M
        reservations:
          cpus: '0.25'
          memory: 128M
    logging:
      driver: "json-file"
      options:
        max-size: "100m"
        max-file: "10"

  # Celery Worker - Maintenance Queue (1 concurrent)
  celery_worker_maintenance:
    image: ${DOCKER_USERNAME}/tg-autoposter:latest
    container_name: tg_autoposter_worker_maintenance_prod
    command: celery -A app.celery_config worker -Q maintenance -n worker_maintenance@%h -c 1 -l info --max-tasks-per-child=50 --without-gossip --without-mingle --without-heartbeat
    environment:
      - TELEGRAM_BOT_TOKEN=${TELEGRAM_BOT_TOKEN}
      - TELEGRAM_API_ID=${TELEGRAM_API_ID}
      - TELEGRAM_API_HASH=${TELEGRAM_API_HASH}
      - ADMIN_ID=${ADMIN_ID}
      - DB_HOST=postgres
      - DB_PORT=5432
      - DB_USER=${DB_USER}
      - DB_PASSWORD=${DB_PASSWORD}
      - DB_NAME=${DB_NAME}
      - REDIS_HOST=redis
      - REDIS_PORT=6379
      - REDIS_DB=0
      - REDIS_PASSWORD=${REDIS_PASSWORD}
      - CELERY_BROKER_URL=redis://:${REDIS_PASSWORD}@redis:6379/0
      - CELERY_RESULT_BACKEND_URL=redis://:${REDIS_PASSWORD}@redis:6379/1
      - LOG_LEVEL=INFO
    volumes:
      - ./logs:/app/logs
      - ./sessions:/app/sessions
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy
    networks:
      - backend
    restart: always
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: 256M
        reservations:
          cpus: '0.25'
          memory: 128M
    logging:
      driver: "json-file"
      options:
        max-size: "100m"
        max-file: "10"

  # Celery Beat - Task Scheduler
  celery_beat:
    image: ${DOCKER_USERNAME}/tg-autoposter:latest
    container_name: tg_autoposter_beat_prod
    command: celery -A app.celery_config beat -l info --scheduler django_celery_beat.schedulers:DatabaseScheduler
    environment:
      - TELEGRAM_BOT_TOKEN=${TELEGRAM_BOT_TOKEN}
      - TELEGRAM_API_ID=${TELEGRAM_API_ID}
      - TELEGRAM_API_HASH=${TELEGRAM_API_HASH}
      - ADMIN_ID=${ADMIN_ID}
      - DB_HOST=postgres
      - DB_PORT=5432
      - DB_USER=${DB_USER}
      - DB_PASSWORD=${DB_PASSWORD}
      - DB_NAME=${DB_NAME}
      - REDIS_HOST=redis
      - REDIS_PORT=6379
      - REDIS_DB=0
      - REDIS_PASSWORD=${REDIS_PASSWORD}
      - CELERY_BROKER_URL=redis://:${REDIS_PASSWORD}@redis:6379/0
      - CELERY_RESULT_BACKEND_URL=redis://:${REDIS_PASSWORD}@redis:6379/1
      - LOG_LEVEL=INFO
    volumes:
      - ./logs:/app/logs
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy
    networks:
      - backend
    restart: always
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: 256M
        reservations:
          cpus: '0.25'
          memory: 128M
    logging:
      driver: "json-file"
      options:
        max-size: "100m"
        max-file: "10"

  # Flower - Celery Monitoring
  flower:
    image: mher/flower:2.0.1
    container_name: tg_autoposter_flower_prod
    command: celery -A app.celery_config flower --port=5555 --basic_auth=admin:${FLOWER_PASSWORD}
    environment:
      CELERY_BROKER_URL: redis://:${REDIS_PASSWORD}@redis:6379/0
      CELERY_RESULT_BACKEND: redis://:${REDIS_PASSWORD}@redis:6379/1
    ports:
      - "5555:5555"
    depends_on:
      redis:
        condition: service_healthy
    networks:
      - backend
    restart: always
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: 256M
        reservations:
          cpus: '0.25'
          memory: 128M
    logging:
      driver: "json-file"
      options:
        max-size: "100m"
        max-file: "10"

  # Optional: Prometheus for metrics collection
  prometheus:
    image: prom/prometheus:latest
    container_name: tg_autoposter_prometheus_prod
    command:
      - '--config.file=/etc/prometheus/prometheus.yml'
      - '--storage.tsdb.path=/prometheus'
      - '--web.console.libraries=/etc/prometheus/console_libraries'
      - '--web.console.templates=/etc/prometheus/consoles'
    ports:
      - "9090:9090"
    volumes:
      - ./prometheus.yml:/etc/prometheus/prometheus.yml
      - prometheus_data:/prometheus
    networks:
      - backend
    restart: always
    deploy:
      resources:
        limits:
          cpus: '1'
          memory: 512M

volumes:
  postgres_data_prod:
    driver: local
  redis_data_prod:
    driver: local
  prometheus_data:
    driver: local

networks:
  backend:
    driver: bridge
    driver_opts:
      com.docker.network.bridge.name: br_tg_autoposter
    ipam:
      config:
        - subnet: 172.20.0.0/16