node.js - Move routes into external file

routes.js

module.exports = function(app) {

  app.get('/', site.index);
  app.get('/user', user.index);
  app.get('/fail', user.fail);
  app.post('/login',Modules.passport.authenticate('local', { successRedirect: '/user',
                                                             failureRedirect: '/fail'}));

};