Added nestjs microservice

microservices/src/app.controller.ts

@@ -0,0 +1,12 @@
+import { Controller, Get } from '@nestjs/common';
+import { AppService } from './app.service';
+
+@Controller()
+export class AppController {
+  constructor(private readonly appService: AppService) {}
+
+  @Get()
+  getHello(): string {
+    return this.appService.getHello();
+  }
+}

microservices/src/app.module.ts

@@ -0,0 +1,10 @@
+import { Module } from '@nestjs/common';
+import { AppController } from './app.controller';
+import { AppService } from './app.service';
+
+@Module({
+  imports: [],
+  controllers: [AppController],
+  providers: [AppService],
+})
+export class AppModule {}

microservices/src/app.service.ts

@@ -0,0 +1,9 @@
+import { Injectable } from '@nestjs/common';
+
+@Injectable()
+export class AppService {
+  getHello(): string {
+    console.log('Hello World 123');
+    return 'Hello World!';
+  }
+}

microservices/src/main.ts

@@ -0,0 +1,15 @@
+import { NestFactory } from '@nestjs/core';
+import { AppModule } from './app.module';
+import { AppService } from './app.service';
+
+async function bootstrap() {
+  const app = await NestFactory.createApplicationContext(AppModule);
+
+  const appService = app.get(AppService);
+
+  appService.getHello();
+
+  await app.close();
+}
+
+bootstrap();