version: '3.8'

services:
  # API Service - Production Configuration
  api:
    build:
      context: .
      dockerfile: Dockerfile
    container_name: ulflow-api
    restart: always
    ports:
      - "8080:8080"
    env_file:
      - .env
    environment:
      - APP_ENV=production
    depends_on:
      - postgres
    networks:
      - ulflow-network
    deploy:
      resources:
        limits:
          cpus: '1'
          memory: 1G
      restart_policy:
        condition: on-failure
        max_attempts: 3
    healthcheck:
      test: ["CMD", "wget", "--spider", "-q", "http://localhost:8080/health"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 40s

  # PostgreSQL Database - Production Configuration
  postgres:
    image: postgres:15-alpine
    container_name: ulflow-postgres
    restart: always
    environment:
      POSTGRES_USER: ${DB_USER:-user}
      POSTGRES_PASSWORD: ${DB_PASSWORD:-password}
      POSTGRES_DB: ${DB_NAME:-ulflow_db}
    volumes:
      - postgres-data:/var/lib/postgresql/data
    networks:
      - ulflow-network
    deploy:
      resources:
        limits:
          cpus: '1'
          memory: 1G
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${DB_USER:-user} -d ${DB_NAME:-ulflow_db}"]
      interval: 30s
      timeout: 5s
      retries: 3
      start_period: 10s

  # Nginx Reverse Proxy
  nginx:
    image: nginx:alpine
    container_name: ulflow-nginx
    restart: always
    ports:
      - "80:80"
      - "443:443"
    volumes:
      - ./nginx/conf.d:/etc/nginx/conf.d
      - ./nginx/ssl:/etc/nginx/ssl
      - ./nginx/logs:/var/log/nginx
    depends_on:
      - api
    networks:
      - ulflow-network

volumes:
  postgres-data:

networks:
  ulflow-network:
    driver: bridge