app.js

var fs = require('fs'),
  connect = require('connect'),
  express = require('express'),
  sys = require('sys'),
  form = require('connect-form'),
  MemoryStore = require('connect/middleware/session/memory'),
  auth = require(__dirname + '/lib/connect-auth/auth');
  pub = __dirname + '/public';

require.paths.unshift('vendor/mongoose');
var mongoose = global.mongoose = require('mongoose').Mongoose;
var db = module.exports.database = mongoose.connect('mongodb://localhost/zm_node');

var app = module.exports.app = express.createServer(
  express.logger({ format: ':method :url :status' }),
  express.bodyDecoder(),
  express.methodOverride(),
  express.cookieDecoder(),
  express.session(),
  express.staticProvider(__dirname + '/public'),
  connect.compiler({ src: pub, enable: ['sass'] }),
  connect.staticProvider(pub)
);

app.set('view engine', 'ejs');
app.set('views', __dirname + '/views');

var controllers = {};
fs.readdir(__dirname + '/controllers', function(err, files){
  if (err) throw err;
  files.forEach(function(file){
    var controller = file.replace('.js','');
    return controllers[controller] = require('./controllers/' + controller);
  });
});

// require('./controllers/user')

app.dynamicHelpers({
  request: function(req){
    return req;
  },

  hasMessages: function(req){
    return Object.keys(req.session.flash || {}).length;
  },

  messages: function(req){
    return function(){
      var msgs = req.flash();
      return Object.keys(msgs).reduce(function(arr, type){
        return arr.concat(msgs[type]);
        }, []);
      }
    }
});

app.error(function(err, req, res){
  console.dir(err)
  res.render('500');
});

// Example 404 page via simple Connect middleware
app.use(function(req, res){
  res.render('404');
});

app.listen(8080);
console.log('Application server started on port 8080');