proxy.js

var http = require('http');
var proxy = require('http-proxy').createProxyServer({
    target: 'https://192.168.88.167:5000/',
    secure: false
});
 
http.createServer(function(req, res) {
    var delay = Math.floor(Math.random() * 100);
    console.log('+' + delay + 'ms', req.method, req.url);
    setTimeout(function() {
        proxy.web(req, res);
    }, delay)
})
.on('upgrade', proxy.ws.bind(proxy))
.listen(4433);