feat: 完成后端-管理后台集成及部署配置

🚀 主要功能:
- 完善后端API服务层，实现完整的CRUD操作
- 开发管理后台所有核心页面 (仪表板、照片、分类、标签、用户、设置)
- 完成前后端完全集成，所有API接口正常对接
- 配置完整的CI/CD流水线，支持自动化部署

🎯 后端完善:
- 实现PhotoService, CategoryService, TagService, UserService
- 添加完整的API处理器和路由配置
- 支持Docker容器化部署
- 添加数据库迁移和健康检查

🎨 管理后台完成:
- 仪表板: 实时统计数据展示
- 照片管理: 完整的CRUD操作，支持批量处理
- 分类管理: 树形结构展示和管理
- 标签管理: 颜色标签和统计信息
- 用户管理: 角色权限控制
- 系统设置: 多标签配置界面
- 添加pre-commit代码质量检查

🔧 部署配置:
- Docker Compose完整配置
- 后端CI/CD流水线 (Docker部署)
- 管理后台CI/CD流水线 (静态文件部署)
- 前端CI/CD流水线优化
- 自动化脚本: 部署、备份、监控
- 完整的部署文档和运维指南

✅ 集成完成:
- 所有API接口正常连接
- 认证系统完整集成
- 数据获取和状态管理
- 错误处理和用户反馈
- 响应式设计优化

docker-compose.yml

@@ -0,0 +1,128 @@
+version: '3.8'
+
+services:
+  # PostgreSQL 数据库
+  postgres:
+    image: postgres:15-alpine
+    container_name: photography_postgres
+    restart: unless-stopped
+    environment:
+      POSTGRES_DB: ${DB_NAME:-photography}
+      POSTGRES_USER: ${DB_USER:-postgres}
+      POSTGRES_PASSWORD: ${DB_PASSWORD}
+      POSTGRES_INITDB_ARGS: "--encoding=UTF8 --locale=C"
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+      - ./backend/migrations:/docker-entrypoint-initdb.d
+    ports:
+      - "127.0.0.1:5432:5432"
+    networks:
+      - photography_network
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U ${DB_USER:-postgres} -d ${DB_NAME:-photography}"]
+      interval: 30s
+      timeout: 10s
+      retries: 5
+
+  # Redis 缓存
+  redis:
+    image: redis:7-alpine
+    container_name: photography_redis
+    restart: unless-stopped
+    command: redis-server --appendonly yes --requirepass ${REDIS_PASSWORD}
+    volumes:
+      - redis_data:/data
+    ports:
+      - "127.0.0.1:6379:6379"
+    networks:
+      - photography_network
+    healthcheck:
+      test: ["CMD", "redis-cli", "ping"]
+      interval: 30s
+      timeout: 10s
+      retries: 5
+
+  # 后端 API 服务
+  backend:
+    build:
+      context: ./backend
+      dockerfile: Dockerfile
+    container_name: photography_backend
+    restart: unless-stopped
+    depends_on:
+      postgres:
+        condition: service_healthy
+      redis:
+        condition: service_healthy
+    environment:
+      # 数据库配置
+      DB_HOST: postgres
+      DB_PORT: 5432
+      DB_NAME: ${DB_NAME:-photography}
+      DB_USER: ${DB_USER:-postgres}
+      DB_PASSWORD: ${DB_PASSWORD}
+      
+      # Redis 配置
+      REDIS_HOST: redis
+      REDIS_PORT: 6379
+      REDIS_PASSWORD: ${REDIS_PASSWORD}
+      
+      # JWT 配置
+      JWT_SECRET: ${JWT_SECRET}
+      JWT_EXPIRES_IN: ${JWT_EXPIRES_IN:-24h}
+      
+      # 服务器配置
+      PORT: 8080
+      GIN_MODE: release
+      
+      # 文件存储配置
+      STORAGE_TYPE: ${STORAGE_TYPE:-local}
+      STORAGE_PATH: /app/uploads
+      MAX_UPLOAD_SIZE: ${MAX_UPLOAD_SIZE:-10MB}
+      
+      # 日志配置
+      LOG_LEVEL: ${LOG_LEVEL:-info}
+      LOG_FORMAT: json
+    volumes:
+      - ./backend/uploads:/app/uploads
+      - ./backend/logs:/app/logs
+      - ./backend/configs:/app/configs
+    ports:
+      - "127.0.0.1:8080:8080"
+    networks:
+      - photography_network
+    healthcheck:
+      test: ["CMD", "wget", "--no-verbose", "--tries=1", "--spider", "http://localhost:8080/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 5
+      start_period: 60s
+
+  # 数据库备份服务
+  backup:
+    image: postgres:15-alpine
+    container_name: photography_backup
+    restart: "no"
+    depends_on:
+      - postgres
+    environment:
+      PGPASSWORD: ${DB_PASSWORD}
+    volumes:
+      - ./backups:/backups
+      - ./scripts/backup.sh:/backup.sh
+    networks:
+      - photography_network
+    entrypoint: ["/backup.sh"]
+
+volumes:
+  postgres_data:
+    driver: local
+  redis_data:
+    driver: local
+
+networks:
+  photography_network:
+    driver: bridge
+    ipam:
+      config:
+        - subnet: 172.20.0.0/16