import { Controller, Get } from '@nestjs/common'; import { ApiOperation, ApiTags } from '@nestjs/swagger'; import { AppService } from './app.service'; // 루트 컨트롤러 — 헬스체크/디버그 용 단순 엔드포인트 @ApiTags('App') @Controller() export class AppController { constructor(private readonly appService: AppService) {} @Get('hello') @ApiOperation({ summary: '동작 확인용 Hello World' }) getHello(): string { return this.appService.getHello(); } }