old_contents: var app = require('express')();
  var bodyParser = require('body-parser');
  var multer = require('multer');
  
  app.use(bodyParser.json()); // for parsing application/json
  app.use(bodyParser.urlencoded({ extended: true })); // for parsing application/x-www-form-urlencoded
  app.use(multer()); //for parsing multipart/form-data
  
  app.post('/', function (req, res) {
    console.log(req.body);
    res.send('got a POST request');
  //  res.json(req.body);
  })
  
  var server = app.listen(3000, function () {
  
    var host = server.address().address;
    var port = server.address().port;
  
    console.log('Example app listening at http://%s:%s', host, port);
  
  });
  
  
new_contents: var app = require('express')();
  var bodyParser = require('body-parser');
  var multer = require('multer');
  
  app.use(bodyParser.json()); // for parsing application/json
  app.use(bodyParser.urlencoded({ extended: true })); // for parsing application/x-www-form-urlencoded
  app.use(multer()); //for parsing multipart/form-data
  
  app.post('/', function (req, res) {
    console.log(req.body);
    res.send('got a POST request');
  })
  
  var server = app.listen(3000, function () {
  
    var host = server.address().address;
    var port = server.address().port;
  
    console.log('Example app listening at http://%s:%s', host, port);
  
  });
  
  
subject: remove commented-out line