peerjs_for_hubs_access.js

const fs = require('fs');
const http = require('http');
const https = require('https');
const express = require('express');
const { ExpressPeerServer } = require('peer')

const app = express()

const domain = 'hack-webar.net' // replace here with your own domain
const privateKey = fs.readFileSync(`/etc/letsencrypt/live/${domain}/privkey.pem`, 'utf8')
const certificate = fs.readFileSync(`/etc/letsencrypt/live/${domain}/fullchain.pem`, 'utf8')
const credentials = {key: privateKey, cert: certificate}
const port = 80

const html = `
<script src="https://unpkg.com/[email protected]/dist/peerjs.min.js"></script>
<script>
    const peer = new Peer('someid', {
      host: '${domain}',
      port: ${port},
      path: '/peerjs/myapp',
      secure: true,
      debug: 3
    });
</script>
`

app.get('/', (req, res, next) => res.send(html))

const server = https.createServer(credentials, app);
const peerServer = ExpressPeerServer(server, {
    debug: true,
    path: '/myapp',
    ssl: credentials
});

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

server.listen(port);