template-rendering/src/app.controller.ts

import { Controller, Get, Render } from '@nestjs/common';
import { AppService } from './app.service';

@Controller()
export class AppController {
  constructor(private readonly appService: AppService) { }

  @Get()
  @Render('index.hbs')
  getHello() {
    return { message: 'Hello world!', fruit: ['apple', 'pear'] };
  }
}