use https socket io

https_socket_io.js

var fs = require( 'fs' );
var app = require('express')();
var https        = require('https');

var port = process.env.PORT || 3000;
var request = require('request');

var server = https.createServer({
                key: fs.readFileSync('/etc/letsencrypt/live/api.merah45.id/privkey.pem'),
                cert: fs.readFileSync('/etc/letsencrypt/live/api.merah45.id/fullchain.pem')
             },app);

var io = require('socket.io').listen(server);


app.get('/', function(req, res){
  res.sendFile(__dirname + '/index.html');
});

io.on('connection', function(socket){
    setInterval(() => {
        request('https://api.merah45.id/get-data/', function (error, response, body) {
              socket.emit('data', body)
        });
    }, 100);
});




server.listen(port, function(){
  console.log('listening on *:' + port);
});