diff --git a/index.js b/index.js
index d11f0ed..6a99b97 100644
--- a/index.js
+++ b/index.js
@@ -33,3 +33,4 @@ app.get('/metrics', async (_req, res) => {
 });
 
 app.listen(process.env.APP_PORT || 4001, '0.0.0.0');
+console.log('App running on port ' + process.env.APP_PORT || 4001);