feat: 建立监控告警体系和生产环境配置

阶段三：建立监控告警体系
- 集成Sentry错误监控：安装依赖，创建配置文件，初始化Sentry
- 配置性能监控：创建监控工具类，实现健康检查API
- 更新环境变量模板，添加Sentry和数据库配置

阶段四：配置生产环境
- 创建生产环境变量模板
- 创建Dockerfile和docker-compose.prod.yml
- 创建备份和恢复脚本
- 设置脚本执行权限

scripts/backup.sh

@@ -0,0 +1,53 @@
+#!/bin/bash
+
+# 备份脚本
+# 用法: ./scripts/backup.sh
+
+set -e
+
+BACKUP_DIR="./backups"
+DATE=$(date +%Y%m%d_%H%M%S)
+BACKUP_NAME="backup_$DATE"
+
+# 创建备份目录
+mkdir -p "$BACKUP_DIR/$BACKUP_NAME"
+
+echo "开始备份..."
+
+# 备份数据库
+if [ -f "./data/prod.db" ]; then
+  echo "备份数据库..."
+  cp ./data/prod.db "$BACKUP_DIR/$BACKUP_NAME/database.db"
+else
+  echo "警告: 数据库文件不存在"
+fi
+
+# 备份上传文件
+if [ -d "./uploads" ]; then
+  echo "备份上传文件..."
+  cp -r ./uploads "$BACKUP_DIR/$BACKUP_NAME/uploads"
+else
+  echo "警告: uploads目录不存在"
+fi
+
+# 备份配置
+if [ -f ".env.production" ]; then
+  echo "备份配置..."
+  cp .env.production "$BACKUP_DIR/$BACKUP_NAME/.env.production"
+else
+  echo "警告: .env.production文件不存在"
+fi
+
+# 压缩备份
+echo "压缩备份..."
+tar -czf "$BACKUP_DIR/$BACKUP_NAME.tar.gz" -C "$BACKUP_DIR" "$BACKUP_NAME"
+
+# 删除临时目录
+rm -rf "$BACKUP_DIR/$BACKUP_NAME"
+
+# 保留最近7天的备份
+echo "清理旧备份..."
+find "$BACKUP_DIR" -name "backup_*.tar.gz" -mtime +7 -delete
+
+echo "备份完成: $BACKUP_DIR/$BACKUP_NAME.tar.gz"
+echo "备份大小: $(du -h "$BACKUP_DIR/$BACKUP_NAME.tar.gz" | cut -f1)"