text: 
  /**
   * Module dependencies.
   */
  
  import logger from 'koa-logger'
  import koa from 'koa'
  
  // koa app
  const app = koa()
  
  // logging
  app.use(logger())
  
  // port
  const port = process.env.PORT || 3000;
  
  // start server
  app.listen(port)
  
  console.log(`listening on port ${port}`)
  