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Serie: nest.js typescript 33 righe · Aggiornato 2026-02-03

main.ts

nest.js/02-intermediate/code/main.ts

import { NestFactory } from '@nestjs/core';
import { ValidationPipe } from '@nestjs/common';
import { AppModule } from './app.module';
import { LoggerMiddleware } from './common/middleware/logger.middleware';

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

  // Enable CORS
  app.enableCors({
    origin: ['http://localhost:3000', 'http://localhost:4200'],
    credentials: true,
  });

  // Global validation pipe
  app.useGlobalPipes(
    new ValidationPipe({
      whitelist: true,
      forbidNonWhitelisted: true,
      transform: true,
      transformOptions: {
        enableImplicitConversion: true,
      },
    }),
  );

  const port = process.env.PORT || 3000;
  await app.listen(port);
  console.log(`🚀 Application is running on: http://localhost:${port}`);
}

bootstrap();

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