var path = require('path'),
    virtualhost = require('express-vhost'),
    express = require('express'),
    server = express();

var app1 = require('./app1/index').app;
/*
 ::app1/index.js (ejemplo)

var express = require('express');
var portalRoutes = require('./app1Routes');

var http = require('http');

var app1 = express();
app1.use(app1Routes);

exports.app = app1;
*/
var app2 = require('./app2/index').app;
    
// activar vhost expressJS, see: "Expressjs behind proxies" here -https://expressjs.com/en/guide/behind-proxies.html
server.use(virtualhost.vhost(server.enabled('trust proxy'))); 
// puerto escuha de nuestro server. 80 ? 
server.listen(3000);

virtualhost.register('www.asereje.com', app1);
virtualhost.register('www.learn.asereje.com', app2);

[etc...]