Add Cloud Run PORT environment variable support

app.py

@@ -924,9 +924,14 @@ _prefetch_from_env()
 demo = build_ui()
 
 if __name__ == "__main__":  # pragma: no cover
+    # Support both Hugging Face Spaces and Google Cloud Run
+    # Cloud Run uses PORT, Hugging Face Spaces uses GRADIO_SERVER_PORT
+    port = int(os.environ.get("PORT", os.environ.get("GRADIO_SERVER_PORT", 7860)))
+    server_name = os.environ.get("GRADIO_SERVER_NAME", "0.0.0.0")
+    
     demo.launch(
-        server_name="0.0.0.0",
-        server_port=int(os.environ.get("PORT", 7860)),
+        server_name=server_name,
+        server_port=port,
         show_api=True
     )