api-AT/src/main.ts

import { NestFactory } from '@nestjs/core';
import { AppModule } from './app.module';
import { ValidationPipe } from '@nestjs/common';
import { ConfigService } from '@nestjs/config';

async function bootstrap() {
  const app = await NestFactory.create(AppModule);
  const configService = app.get(ConfigService);

  app.useGlobalPipes(new ValidationPipe());

  app.enableCors(
    //   {
    //   origin: configService.get<string>('Front_URL'),
    // }
  );
  app.enableShutdownHooks();
  await app.listen(process.env.PORT ?? 3000);
}
bootstrap();