added health check

src/health/health.module.ts

@@ -4,8 +4,10 @@ import { TerminusModule } from '@nestjs/terminus';
 import { TypeOrmModule } from '@nestjs/typeorm';
 import { HealthController } from './controllers';
 import { HttpModule } from '@nestjs/axios';
+import { HealthService } from './services';
 @Module({
   imports: [TerminusModule, HttpModule, TypeOrmModule],
   controllers: [HealthController],
+  providers: [HealthService],
 })
 export class HealthModule {}

src/health/services/health.service.ts

@@ -0,0 +1,33 @@
+import { Injectable } from '@nestjs/common';
+import {
+  HealthCheckService,
+  TypeOrmHealthIndicator,
+  DiskHealthIndicator,
+  MemoryHealthIndicator,
+  HttpHealthIndicator,
+  HealthCheckResult,
+} from '@nestjs/terminus';
+
+@Injectable()
+export class HealthService {
+  constructor(
+    private health: HealthCheckService,
+    private db: TypeOrmHealthIndicator,
+    private memory: MemoryHealthIndicator,
+    private disk: DiskHealthIndicator,
+    private http: HttpHealthIndicator,
+  ) {}
+
+  check(): Promise<HealthCheckResult> {
+    return this.health.check([
+      () => this.db.pingCheck('database'),
+      () =>
+        this.disk.checkStorage('disk', {
+          thresholdPercent: 0.9,
+          path: '/',
+        }),
+      () => this.memory.checkHeap('memory_heap', 300 * 1024 * 1024),
+      () => this.http.pingCheck('tuya', process.env.TUYA_EU_URL),
+    ]);
+  }
+}

src/health/services/index.ts

@@ -0,0 +1 @@
+export * from './health.service';