diff --git a/src/main.ts b/src/main.ts
index ecd1298..d57a41a 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -59,7 +59,9 @@ async function bootstrap(): Promise<void> {
     }),
   );
 
-  const swaggerConfig = new DocumentBuilder()
+  const baseUrlProd = process.env.BASE_URL_PROD;
+
+  const documentBuilder = new DocumentBuilder()
     .setTitle('External Services Gateway')
     .setDescription(
       'Unified gateway for external inquiry providers with JWT authentication, RBAC, ' +
@@ -67,8 +69,13 @@ async function bootstrap(): Promise<void> {
     )
     .setVersion('1.0')
     .addServer("http://localhost:8085")
-    .addServer("https://apex.mic.co.ir/esg/api")
-    .addServer(process.env.BASE_URL_PROD)
+    .addServer("https://apex.mic.co.ir/esg/api");
+
+  if (baseUrlProd) {
+    documentBuilder.addServer(baseUrlProd);
+  }
+
+  const swaggerConfig = documentBuilder
     .addBearerAuth(
       { type: 'http', scheme: 'bearer', bearerFormat: 'JWT', in: 'header' },
       'bearer',