How to deploy PeerJS?

Programming, error messages and sample code > Node.js
1. create app folder:
mkdir myapp
2. cd to folder myapp and run below below command to install PeerJS:
npm install express@latest peer@latest
3. upload the folder "myapp" to your site root
4. create server.js file with below content and save it to myapp:
const express = require('express');
const { ExpressPeerServer } = require('peer');
const app = express();

app.enable('trust proxy');

const PORT = process.env.PORT;
const server = app.listen(PORT, () => {
  console.log(`App listening on port ${PORT}`);
  console.log('Press Ctrl+C to quit.');

const peerServer = ExpressPeerServer(server, {
  path: '/'

app.use('/myapp', peerServer);

module.exports = app;
5. go to hosting control panel to enable NodeJS for this sub folder "myapp"
6. update web.config in myapp with below content:
<?xml version="1.0" encoding="UTF-8" ?>
            <add name="iisnode" path="server.js" verb="*" modules="iisnode" />
                <rule name="mysite">
                    <match url="/*" />
                    <action type="Rewrite" url="server.js" />
Open your browser with http://xxxx/myapp It should returns JSON with name, description and website fields.