四端上传

yelaymaths_api/src/health.controller.ts

@@ -0,0 +1,22 @@
+import { Controller, Get } from '@nestjs/common';
+import { Public } from './common/auth';
+import { PrismaService } from './prisma/prisma.service';
+
+@Controller()
+export class HealthController {
+  constructor(private readonly prisma: PrismaService) {}
+
+  /** 探活。数据库不可用时不返回 500，只标记 db 状态，便于区分进程挂掉与数据库挂掉。 */
+  @Public()
+  @Get('healthz')
+  async health() {
+    let db = 'ok';
+    try {
+      await this.prisma.$queryRaw`SELECT 1`;
+    } catch {
+      db = 'down';
+    }
+    return { status: 'ok', db, time: new Date().toISOString() };
+  }
+}
+