docker-compose.yml

services:
  postgres:
    image: postgres:15-alpine
    environment:
      POSTGRES_USER: ${POSTGRES_USER:-postgres}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-postgres_password}
      POSTGRES_DB: ${POSTGRES_DB:-ai_email_db}
    ports:
      - "5434:5432"
    volumes:
      - postgres_data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-postgres} -d ${POSTGRES_DB:-ai_email_db}"]
      interval: 10s
      timeout: 5s
      retries: 5
    deploy:
      resources:
        limits:
          cpus: '1.0'
          memory: 1G
    networks:
      - app-network

  redis:
    image: redis:7-alpine
    command: redis-server --appendonly yes --maxmemory 256mb --maxmemory-policy noeviction
    ports:
      - "6381:6379"
    volumes:
      - redis_data:/data
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 10s
      timeout: 5s
      retries: 5
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: 512M
    networks:
      - app-network

  api:
    build:
      context: .
      dockerfile: Dockerfile
    command: uvicorn src.main:app --host 0.0.0.0 --port 8000 --reload
    ports:
      - "8002:8000"
    env_file:
      - .env
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy
    volumes:
      - ./src:/app/src
      - ./token.json:/app/token.json
      - ./credentials.json:/app/credentials.json
    healthcheck:
      test: ["CMD-SHELL", "curl -f http://localhost:8000/health || exit 1"]
      interval: 15s
      timeout: 5s
      retries: 3
      start_period: 10s
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: 512M
    networks:
      - app-network

  celery-worker:
    build:
      context: .
      dockerfile: Dockerfile
    # Встановлюємо worker_shutdown_timeout рівним grace period, щоб Celery не чекав вічно
    command: celery -A src.workers.celery_app worker -P threads -c 4 -E --loglevel=info
    env_file:
      - .env
    depends_on:
      redis:
        condition: service_healthy
      postgres:
        condition: service_healthy
    volumes:
      - ./src:/app/src
      - ./token.json:/app/token.json
      - ./credentials.json:/app/credentials.json
    healthcheck:
      test: ["CMD-SHELL", "celery -A src.workers.celery_app inspect ping || exit 1"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 20s
    stop_grace_period: 60s
    deploy:
      resources:
        limits:
          cpus: '1.0'
          memory: 1G
    networks:
      - app-network

  celery-beat:
    build:
      context: .
      dockerfile: Dockerfile
    command: celery -A src.workers.celery_app beat --loglevel=info
    env_file:
      - .env
    depends_on:
      redis:
        condition: service_healthy
    volumes:
      - ./src:/app/src
      - ./token.json:/app/token.json
      - ./credentials.json:/app/credentials.json
    stop_grace_period: 60s
    deploy:
      resources:
        limits:
          cpus: '0.2'
          memory: 256M
    networks:
      - app-network
  celery-exporter:
    build:
      context: .
      dockerfile: Dockerfile
    command: >
      sh -c "pip install celery-prometheus-exporter && 
      celery-prometheus-exporter --broker=${REDIS_URL:-redis://redis:6379/0} --addr=0.0.0.0:9808 --enable-events --queue-list default"
    ports:
      - "9808:9808"
    networks:
      - app-network

  redis-exporter:
    image: oliver006/redis_exporter:latest
    environment:
      - REDIS_ADDR=redis:6379
    ports:
      - "9121:9121"
    networks:
      - app-network

  postgres-exporter:
    image: prometheuscommunity/postgres-exporter:latest
    environment:
      DATA_SOURCE_NAME: "user=${POSTGRES_USER:-postgres} password=${POSTGRES_PASSWORD:-postgres_password} host=postgres port=5432 dbname=postgres sslmode=disable"
    ports:
      - "9187:9187"
    networks:
      - app-network
  alertmanager:
    image: prom/alertmanager:v0.25.0
    ports:
      - "9093:9093"
    volumes:
      - ./monitoring/alertmanager/config.yml:/etc/alertmanager/config.yml
    command:
      - '--config.file=/etc/alertmanager/config.yml'
    networks:
      - app-network
  prometheus:
    image: prom/prometheus:v2.45.0
    volumes:
      - ./monitoring/prometheus/prometheus.yml:/etc/prometheus/prometheus.yml
      - ./monitoring/prometheus/alerts.yml:/etc/prometheus/alerts.yml
      - prometheus_data:/prometheus
    ports:
      - "9092:9090"
    command:
      - '--config.file=/etc/prometheus/prometheus.yml'
      - '--storage.tsdb.path=/prometheus'
    networks:
      - app-network

  grafana:
    image: grafana/grafana:10.0.3
    ports:
      - "3002:3000"
    volumes:
      - grafana_data:/var/lib/grafana
      - ./monitoring/grafana/datasources:/etc/grafana/provisioning/datasources
    environment:
      - GF_SECURITY_ADMIN_PASSWORD=admin
    networks:
      - app-network
  loki:
    image: grafana/loki:2.8.2
    ports:
      - "3102:3100"
    volumes:
      - ./monitoring/loki/loki-config.yml:/etc/loki/local-config.yaml
      - loki_data:/loki
    command: -config.file=/etc/loki/local-config.yaml
    networks:
      - app-network

  promtail:
    image: grafana/promtail:2.8.2
    volumes:
      - ./monitoring/promtail/promtail-config.yml:/etc/promtail/config.yml
      - /var/run/docker.sock:/var/run/docker.sock:ro
      - /var/lib/docker/containers:/var/lib/docker/containers:ro
    command: -config.file=/etc/promtail/config.yml
    depends_on:
      - loki
    networks:
      - app-network    
networks:
  app-network:
    driver: bridge

volumes:
  postgres_data:
  redis_data:
  prometheus_data:
  grafana_data:
  loki_data: