text: // server.js
  // where your node app starts
  
  // init project
  require('dotenv').config();
  var express = require('express');
  var app = express();
  
  // enable CORS (https://en.wikipedia.org/wiki/Cross-origin_resource_sharing)
  // so that your API is remotely testable by FCC 
  var cors = require('cors');
  app.use(cors({optionsSuccessStatus: 200}));  // some legacy browsers choke on 204
  
  // http://expressjs.com/en/starter/static-files.html
  app.use(express.static('public'));
  
  // http://expressjs.com/en/starter/basic-routing.html
  app.get("/", function (req, res) {
    res.sendFile(__dirname + '/views/index.html');
  });
  
  
  // your first API endpoint... 
  app.get("/api/whoami", function (req, res) {
    res.json({ipaddress: req.ip, language: req.headers["accept-language"], software: req.headers["user-agent"]});
  });
  
  
  
  // listen for requests :)
  var listener = app.listen(process.env.PORT, function () {
    console.log('Your app is listening on port ' + listener.address().port);
  });
  