import { Get, Controller } from '@nestjs/common'; import { ApiTags, ApiOkResponse } from '@nestjs/swagger'; import AppService from './app.service'; @ApiTags('App') @Controller('hello') export default class AppController { constructor(private readonly appService: AppService) {} @ApiOkResponse({ description: 'Displays hello message' }) @Get() index(): string { return this.appService.getHelloMessage(); } }