text: const express = require('express')
  const app = express()
  const path = require('path')
  const PORT = process.env.PORT || 3000
  
  app.use(express.static(path.join(__dirname, 'public')))
  
  app.get('/', (req, res,next) => {
      res.send(path.join(__dirname, 'public/index.html'))
  })
  
  app.listen(PORT, 
      () => console.log(`Server listening on http://localhost:${PORT}`)
  )