text: var express = require('express')
  var os = require("os");
  var hostname = os.hostname();
  var app = express()
  
  app.get('/', function(req, res) {
    res.send('Hello world from ' + hostname + '! I deployed this app using node.js and kubernetes!\n')
  })
  app.listen(8080, function() {
    console.log('This app is listening on port 8080.')
  })
  