Update app.py

app.py

@@ -273,7 +273,7 @@ def cleanup_sessions():
     if expired_sessions:
         print(f"Cleaned up {len(expired_sessions)} expired sessions")
 
-def run_server(port=8000, host='localhost'):
+def run_server(port=8000, host='0.0.0.0'):
     server_address = (host, port)
     httpd = ThreadingHTTPServer(server_address, SimpleHTTPRequestHandler)
     print(f"Server running on http://{host}:{port}")