fixed

app/main.py

@@ -14,9 +14,10 @@ def read_root():
 def start_notification_service():
     notification_service()
 
+notif_thread = threading.Thread(target=start_notification_service, daemon=True)
+notif_thread.start()
+
 if __name__ == "__main__":
     # Start notification service in a background thread
-    notif_thread = threading.Thread(target=start_notification_service, daemon=True)
-    notif_thread.start()
     # Run FastAPI server in the main thread
     uvicorn.run("app.main:app", host="0.0.0.0", port=8000, reload=False)