fixed

news_sender/sender_service.py

@@ -15,7 +15,11 @@ import sys
 from dotenv import load_dotenv
 
 # Add backend directory to path for importing tracking service
-backend_dir = Path(__file__).parent.parent / 'backend'
+# Check if running in Docker (backend is at /app/backend) or locally (../backend)
+if Path('/app/backend').exists():
+    backend_dir = Path('/app/backend')
+else:
+    backend_dir = Path(__file__).parent.parent / 'backend'
 sys.path.insert(0, str(backend_dir))
 
 # Import tracking modules