Update app.js

app.js

@@ -41,7 +41,8 @@ const consumerTransports = new Map(); // ws → [ { transport, consumer } ]
       switch (action) {
         case 'createProducerTransport': {
           const transport = await router.createWebRtcTransport({
-            listenIps: ['127.0.0.1'],
+            listenIps: ['0.0.0.0'],
+            // listenIps: ['127.0.0.1'],
             enableUdp: true,
             enableTcp: true
           });
@@ -80,7 +81,8 @@ const consumerTransports = new Map(); // ws → [ { transport, consumer } ]
 
         case 'createConsumerTransport': {
           const transport = await router.createWebRtcTransport({
-            listenIps: ['127.0.0.1'],
+            listenIps: ['0.0.0.0'],
+            // listenIps: ['127.0.0.1'],
             enableUdp: true,
             enableTcp: true
           });