Server/src/main.ts

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

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,
		}),
	);

	const config = new DocumentBuilder()
		.setTitle("Toogether API")
		.addBearerAuth()
		.build();
	const documentFactory = () => SwaggerModule.createDocument(app, config);
	SwaggerModule.setup("documentation", app, documentFactory, {
		swaggerOptions: {
			tryItOutEnabled: true,
			persistAuthorization: true,
		}
	});

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