headers.js

// Dumps all headers 
// My usages is to test what headers Cloudfront is setting. Used together with ngrok for me. 

//start script:
// npm install 
// node headers.js

var express = require('express');
var app = express();

app.get('/', function (req, res) {
  console.log(req.headers);
  res.send('Headers captured. Check log!');
});

var server = app.listen(process.env.PORT || 3000, function () {
  var host = server.address().address;
  var port = server.address().port;

  console.log('Example app listening at http://%s:%s', host, port);
});

package.json

{
  "name": "headers-dump",
  "version": "1.0.0",
  "description": "Dump all req.headers to console",
  "main": "headers.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "keywords": [
    "headers"
  ],
  "author": "Sindre Øye Svendby",
  "license": "ISC",
  "dependencies": {
    "express": "^4.13.3"
  }
}