fix and update

apps/api-gateway/src/main.ts

@@ -28,6 +28,7 @@ async function bootstrap() {
     .build();
   const document = SwaggerModule.createDocument(app, config);
   SwaggerModule.setup('docs', app, document, {
+    yamlDocumentUrl: '/openapi.yaml',
     swaggerOptions: { persistAuthorization: true },
     customSiteTitle: 'Документация API'
   });