services:
  postgres:
    image: postgres:15-alpine
    container_name: pg-admin-db
    environment:
      POSTGRES_USER: ${DB_USER:-postgres}
      POSTGRES_PASSWORD: ${DB_PASSWORD:-postgres}
      POSTGRES_DB: ${DB_NAME:-pg_admin}
      POSTGRES_INITDB_ARGS: "--encoding=UTF8 -c shared_buffers=256MB -c max_connections=100"
    # БД НЕ открыта наружу - только для контейнеров
    volumes:
      - postgres_data:/var/lib/postgresql/data
      - ./docker/init-db.sql:/docker-entrypoint-initdb.d/init.sql
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${DB_USER:-postgres} -d ${DB_NAME:-pg_admin}"]
      interval: 10s
      timeout: 5s
      retries: 5
    networks:
      - pg-admin-network
    restart: unless-stopped
    deploy:
      resources:
        limits:
          cpus: '1'
          memory: 512M
        reservations:
          cpus: '0.5'
          memory: 256M

  backend:
    build:
      context: ./backend
      dockerfile: ../docker/Dockerfile.backend
    container_name: pg-admin-api
    environment:
      NODE_ENV: ${NODE_ENV:-production}
      PORT: ${API_PORT:-3000}
      DB_HOST: postgres
      DB_PORT: 5432
      DB_USER: ${DB_USER:-postgres}
      DB_PASSWORD: ${DB_PASSWORD:-postgres}
      DB_NAME: ${DB_NAME:-pg_admin}
      JWT_SECRET: ${JWT_SECRET:-change_me_in_production}
      JWT_EXPIRE: ${JWT_EXPIRE:-7d}
      MAX_CONNECTIONS: ${MAX_CONNECTIONS:-20}
      LOG_LEVEL: ${LOG_LEVEL:-info}
    # API НЕ открыт наружу - только для nginx
    depends_on:
      postgres:
        condition: service_healthy
    volumes:
      - ./backend/src:/app/src
      - ./backend/logs:/app/logs
    networks:
      - pg-admin-network
    restart: unless-stopped
    deploy:
      resources:
        limits:
          cpus: '1'
          memory: 512M
        reservations:
          cpus: '0.5'
          memory: 256M

  frontend:
    build:
      context: ./frontend
      dockerfile: ../docker/Dockerfile.frontend
    container_name: pg-admin-ui
    environment:
      REACT_APP_API_URL: ${FRONTEND_API_URL:-http://localhost:3000/api}
      REACT_APP_ENV: ${NODE_ENV:-production}
    # Frontend НЕ открыт наружу - только для nginx
    depends_on:
      - backend
    volumes:
      - ./frontend/src:/app/src
    networks:
      - pg-admin-network
    restart: unless-stopped
    deploy:
      resources:
        limits:
          cpus: '1'
          memory: 512M
        reservations:
          cpus: '0.5'
          memory: 256M

  redis:
    image: redis:7-alpine
    container_name: pg-admin-cache
    # Redis НЕ открыт наружу - только для контейнеров
    command: redis-server --appendonly yes --maxmemory 256mb --maxmemory-policy allkeys-lru
    volumes:
      - redis_data:/data
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 10s
      timeout: 5s
      retries: 5
    networks:
      - pg-admin-network
    restart: unless-stopped
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: 256M
        reservations:
          cpus: '0.25'
          memory: 128M

  nginx:
    image: nginx:alpine
    container_name: pg-admin-proxy
    ports:
      - "${NGINX_PORT:-80}:80"
    volumes:
      - ./docker/nginx.conf:/etc/nginx/nginx.conf:ro
    depends_on:
      - frontend
      - backend
    networks:
      - pg-admin-network
    restart: unless-stopped
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: 256M
        reservations:
          cpus: '0.25'
          memory: 128M

volumes:
  postgres_data:
    driver: local
  redis_data:
    driver: local

networks:
  pg-admin-network:
    driver: bridge