import { DocumentBuilder, SwaggerModule } from '@nestjs/swagger'; import { INestApplication } from '@nestjs/common'; export function setupSwagger(app: INestApplication): void { const options = new DocumentBuilder() .setTitle('Your API Title') .setDescription('API description') .setVersion('1.0') .build(); const document = SwaggerModule.createDocument(app, options); SwaggerModule.setup('api', app, document); }