Status Codes As A Service

index.js

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

app.get('/:status_code', function (req, res) {
  if (req.params.status_code.match(/^\d{3}$/)) {
    res.status(req.params.status_code).send('');
  } else {
    res.status(500).send('Not a code');
  }
});

var server = app.listen(process.env.PORT, function () {
  console.log("Yo dawg.");
});