feat: 完成Rust User API完整开发

✨ 新功能:
- SQLite数据库集成和持久化存储
- 数据库迁移系统和版本管理
- API分页功能和高效查询
- 用户搜索和过滤机制
- 完整的RBAC角色权限系统
- 结构化日志记录和系统监控
- API限流和多层安全防护
- Docker容器化和生产部署配置

🔒 安全特性:
- JWT认证和授权
- 限流和防暴力破解
- 安全头和CORS配置
- 输入验证和XSS防护
- 审计日志和安全监控

📊 监控和运维:
- Prometheus指标收集
- 健康检查和系统监控
- 自动化备份和恢复
- 完整的运维文档和脚本
- CI/CD流水线配置

🚀 部署支持:
- 多环境Docker配置
- 生产环境部署指南
- 性能优化和安全加固
- 故障排除和应急响应
- 自动化运维脚本

📚 文档完善:
- API使用文档
- 部署检查清单
- 运维操作手册
- 性能和安全指南
- 故障排除指南

docker-compose.yml

@@ -0,0 +1,87 @@
+version: '3.8'
+
+services:
+  # 主应用服务
+  rust-user-api:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: rust-user-api
+    ports:
+      - "3000:3000"
+    environment:
+      - RUST_LOG=info
+      - DATABASE_URL=sqlite:///app/data/users.db?mode=rwc
+      - SERVER_HOST=0.0.0.0
+      - SERVER_PORT=3000
+      - LOG_LEVEL=info
+      - LOG_FORMAT=pretty
+      - LOG_TO_CONSOLE=true
+      - LOG_TO_FILE=false
+    volumes:
+      - api_data:/app/data
+      - ./logs:/app/logs
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:3000/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 40s
+    networks:
+      - rust-api-network
+
+  # Prometheus 监控（可选）
+  prometheus:
+    image: prom/prometheus:latest
+    container_name: rust-api-prometheus
+    ports:
+      - "9090:9090"
+    volumes:
+      - ./monitoring/prometheus.yml:/etc/prometheus/prometheus.yml:ro
+      - prometheus_data:/prometheus
+    command:
+      - '--config.file=/etc/prometheus/prometheus.yml'
+      - '--storage.tsdb.path=/prometheus'
+      - '--web.console.libraries=/etc/prometheus/console_libraries'
+      - '--web.console.templates=/etc/prometheus/consoles'
+      - '--storage.tsdb.retention.time=200h'
+      - '--web.enable-lifecycle'
+    restart: unless-stopped
+    networks:
+      - rust-api-network
+    profiles:
+      - monitoring
+
+  # Grafana 仪表板（可选）
+  grafana:
+    image: grafana/grafana:latest
+    container_name: rust-api-grafana
+    ports:
+      - "3001:3000"
+    environment:
+      - GF_SECURITY_ADMIN_PASSWORD=admin123
+      - GF_USERS_ALLOW_SIGN_UP=false
+    volumes:
+      - grafana_data:/var/lib/grafana
+      - ./monitoring/grafana/dashboards:/etc/grafana/provisioning/dashboards:ro
+      - ./monitoring/grafana/datasources:/etc/grafana/provisioning/datasources:ro
+    depends_on:
+      - prometheus
+    restart: unless-stopped
+    networks:
+      - rust-api-network
+    profiles:
+      - monitoring
+
+volumes:
+  api_data:
+    driver: local
+  prometheus_data:
+    driver: local
+  grafana_data:
+    driver: local
+
+networks:
+  rust-api-network:
+    driver: bridge