xiaoju-survey/server/src/main.ts

import { NestFactory } from '@nestjs/core';
import { AppModule } from './app.module';

async function bootstrap() {
  const PORT = process.env.PORT || 3000;
  const app = await NestFactory.create(AppModule);
  await app.listen(PORT);
  console.log(`server is running at: http://127.0.0.1:${PORT}`);
}

bootstrap();