i18n-node in an restify app setup

i18n-restify-app.js

// require modules
var restify = require('restify'),
    i18n = require('i18n'),
    app;

// minimal config
i18n.configure({
  locales: ['en', 'de'],
  directory: __dirname + '/locales'
});

// Create the RESTify server
app = restify.createServer();

// enable i18n in restify
app.use(i18n.init);

// setup a simple resource
app.get('/test', function (req, res, next) {
  res.send(200, {
    'somevartoreturn': res.__('Hello')
  });
  return next();
});

// Start the app!
app.listen(3000, '127.0.0.1');