diff --git a/idp/.env.skeleton b/idp/.env.skeleton
index e5fb20d..fc54d64 100644
--- a/idp/.env.skeleton
+++ b/idp/.env.skeleton
@@ -10,4 +10,6 @@ MYSQL_ROOT_PASSWORD=kjsdahflöijsdiu
 IGNORE_PASSWORDS=FALSE # hier kann man sich nur mit dem Username einloggen, nicht zu empfehlen ausser zum debuggen
 JWT_SECRET=super-geheimes-secret
 JWT_EXPIRES_IN=10m
-JWT_REFRESH_EXPIRES_IN=1w
\ No newline at end of file
+JWT_REFRESH_EXPIRES_IN=1w
+
+APPLICATIONPORT=5000
\ No newline at end of file
diff --git a/idp/src/main.ts b/idp/src/main.ts
index 1499b31..de7a6de 100644
--- a/idp/src/main.ts
+++ b/idp/src/main.ts
@@ -17,6 +17,6 @@ async function bootstrap() {
       transform: true, // Transform is recomended configuration for avoind issues with arrays of files transformations
     }),
   );
-  await app.listen(3000);
+  await app.listen(parseInt(process.env.PORT) || 5001);
 }
 bootstrap();