text: 'use strict'
  
  const http = require('http')
  const api = require('./api')
  
  const server = http.createServer(api)
  
  const port = process.env.PORT || 3000
  const hostname = process.env.HOSTNAME || ''
  
  server.listen(port, (err) => {
    if (err) {
      console.error(err)
      process.exit(1)
    }
    console.info(`Listening on ${hostname}:${port}.`)
  })
  