add env port

src/App.jsx

@@ -52,6 +52,7 @@ function App() {
           clientId: 'mqttjs_' + Math.random().toString(16).substring(2, 8),
           connectTimeout: mqttOptions.connectTimeout,
           reconnectPeriod: mqttOptions.reconnectPeriod,
+          rejectUnauthorized: false, // if using self-signed certs
           clean: false,
           keepalive: 30,
         });