Server/src/main.ts

import { NestFactory, Reflector } from "@nestjs/core";
import { AppModule } from "./app.module";
import { ClassSerializerInterceptor, ValidationPipe } from "@nestjs/common";

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

	app.enableCors({
		origin: "*",
	});

	app.useGlobalPipes(new ValidationPipe());

	app.useGlobalInterceptors(new ClassSerializerInterceptor(app.get(Reflector), {
		excludeExtraneousValues: true,
	}));

	await app.listen(process.env.PORT ?? 3000, "0.0.0.0");
}
bootstrap();