fix and update

apps/api-gateway/src/controllers/health.controller.ts

@@ -1,9 +1,23 @@
-import { Controller, Get } from '@nestjs/common';
+import { Controller, Get, ServiceUnavailableException } from '@nestjs/common';
+import { firstValueFrom } from 'rxjs';
+import { CoreGrpcService } from '../core-grpc.service';
 
 @Controller('health')
 export class HealthController {
+  constructor(private readonly core: CoreGrpcService) {}
+
   @Get()
-  check() {
-    return { status: 'ok', service: 'api-gateway' };
+  async check() {
+    try {
+      await firstValueFrom(this.core.settings.GetSetting({ key: 'PROJECT_NAME' }));
+      return { status: 'ok', service: 'api-gateway', grpc: 'ok' };
+    } catch {
+      throw new ServiceUnavailableException({
+        status: 'error',
+        service: 'api-gateway',
+        grpc: 'unavailable',
+        message: 'Не удалось связаться с sso-core по gRPC'
+      });
+    }
   }
 }