text: /* this file is being used to serve the files from /dist folder. It is being used by heroku */
  var port = process.env.PORT || 8080;
  
  var express = require('express');
  var serveStatic = require('serve-static');
  var compression = require('compression');
  
  // Application setup.
  var CACHE_DURATION = 0;
  var DOCUMENT_ROOT = __dirname + '/build';
  
  /*
   * start server
   */
  var app = express();
  
  // server gzip
  app.use(compression());
  
  // static with cache headers
  app.use(serveStatic(DOCUMENT_ROOT, { maxAge: CACHE_DURATION, cacheControl: true }));
  
  console.log('server is now starting on port ', port);
  app.listen(port);
  