text: // app/routes.js
  
  // grab the nerd model we just created
  var Nerd = require('./models/nerd');
  
      module.exports = function(app) {
  
          // server routes ===========================================================
          // handle things like api calls
          // authentication routes
  
          // sample api route
          app.get('/api/nerds', function(req, res) {
              // use mongoose to get all nerds in the database
              Nerd.find(function(err, nerds) {
  
                  // if there is an error retrieving, send the error. 
                                  // nothing after res.send(err) will execute
                  if (err)
                      res.send(err);
  
                  res.json(nerds); // return all nerds in JSON format
              });
          });
  
          // route to handle creating goes here (app.post)
          // route to handle delete goes here (app.delete)
  
          // frontend routes =========================================================
          // route to handle all angular requests
          app.get('*', function(req, res) {
              res.sendfile('../app/index.html'); // load our public/index.html file
          });
  
      };
  