Update app.js

app.js

@@ -51,4 +51,4 @@ app.post("/broadcast", async ({ body }, res) => {
   res.json({ sdp: peer.localDescription });
 });
 
-app.listen(5000, () => console.log('SFU server running on port 5000'));
+app.listen(7860, () => console.log('SFU server running on port 5000'));