Convert node.js socket io from http to https

Need to convert http connection to https . ---- [login to view URL] ---- var express = require('express'); var bodyParser = require('body-parser'); var app = express(); var http = require('http').Server(app); var io = require('[login to view URL]')(http); const config = require("./config"); [login to view URL]('connection', function(socket){}); [login to view URL]('/', function(req, res){ [login to view URL](config); [login to view URL] = 'utf-8'; }); var render = require('php-node')({bin:[login to view URL]}); var oldval = ""; var i = 0; var pole = function(){ render([login to view URL], {}, function(e, res) { if(e){ [login to view URL]("Error ",e); return; } if(oldval!==res){ var index = [login to view URL]('PAN'); [login to view URL]([login to view URL](index, index+10)); oldval = res; [login to view URL]('data', res); } //} }) } if([login to view URL]){ [login to view URL]("Using Cron"); var cron = require('node-cron'); var j = [login to view URL]([login to view URL], pole); }else{ [login to view URL]("Using interval"); setInterval(pole, [login to view URL]) } [login to view URL]([login to view URL]({extended:true})); [login to view URL]([login to view URL]()); var port = [login to view URL] || 3021; var server = [login to view URL](port, function() { [login to view URL]("Listening on " + port); }); ------------------------------------------------------------------------------------------------------------------------------ --- [login to view URL] --- [login to view URL] = { php : "/usr/bin/php", polling : __dirname+'/php/[login to view URL]', cron : false, cronSchedule : '0-59 * * * * *', interval : 100, port : 3021 };