diff --git a/src/main.ts b/src/main.ts
index 37eccd7..40ee308 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,6 +1,7 @@
 import { NestFactory } from '@nestjs/core';
 import { AppModule } from './app.module';
 import { ConfigService } from '@nestjs/config';
+import * as fs from 'fs';
 import { SwaggerModule, DocumentBuilder } from '@nestjs/swagger';
 import { RequestIdMiddleware } from './shared/middleware/request-id/request-id.middleware';
 import { AppLogger } from './shared/logger/logger.service';
@@ -20,6 +21,8 @@ async function bootstrap() {
     .build();
 
   const document = SwaggerModule.createDocument(app, options);
+  fs.writeFileSync('./swagger.json', JSON.stringify(document, null, 2));
+
   SwaggerModule.setup('api', app, document);
 
   const configService = app.get(ConfigService);
diff --git a/swagger.json b/swagger.json
new file mode 100644
index 0000000..8b11fe3
--- /dev/null
+++ b/swagger.json
@@ -0,0 +1,25 @@
+{
+  "openapi": "3.0.0",
+  "info": {
+    "title": "Nestjs API starter",
+    "description": "Nestjs API description",
+    "version": "1.0",
+    "contact": {}
+  },
+  "tags": [],
+  "servers": [],
+  "components": {},
+  "paths": {
+    "/": {
+      "get": {
+        "operationId": "AppController_getHello",
+        "parameters": [],
+        "responses": {
+          "200": {
+            "description": ""
+          }
+        }
+      }
+    }
+  }
+}
\ No newline at end of file