text: const express = require('express')
  const app = express()
  
  app.use(express.static('public'))
  app.get('/', function (req, res) {
    res.render('index')
  })
  
  app.listen(process.env.PORT || 2000, function () {
    console.log('server started on port ' + (process.env.PORT || 2000))
  })
  