server.js

var express       = require('express');
var path          = require('path');
var routes        = require('./routes/index');
var logger        = require('morgan');
var cookieParser  = require('cookie-parser');
var bodyParser    = require('body-parser');
var app           = express();
var port          = process.env.PORT || 3000;

app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

app.use('/', routes);

app.use(function(req, res, next) {
  var err = new Error('Not Found');
  err.status = 404;
  next(err);
});

if (app.get('env') === 'development') {
  app.use(function(err, req, res, next) {
    res.status(err.status || 500);
    res.render('error', {
      message: err.message,
      error: err
    });
  });
}

app.use(function(err, req, res, next) {
  res.status(err.status || 500);
  res.render('error', {
    message: err.message,
    error: {}
  });
});

var server = app.listen(port, function() {
	console.log('Listening on port ' + port);
});

module.exports = app;