server.js

var express = require('express'),
    app = express(),
    path = require('path'),
    routes = require('./server/routes.js'),
    port = process.env.PORT || 5000,
    allowCrossDomain = require('./server/config/crossDomainHeader.js')().allowCrossDomain;

// Log process.env.NODE_ENV
  
console.log("****************************");
console.log("* Current ENV:", app.get('env'));
console.log("****************************");


// Configure Express server
app.set('port', process.env.PORT || 3000);
//set up the root folder for jade file. 
//Here, in res.render('index'), will automatically look for the /server/views/index.jade'
app.set('views', __dirname + '/server/views');
app.set('view engine', 'jade');

// the first param of app.use, default route is '/';

// If in development, use Express error handler
app.configure('development', function() {
  app.use(express.errorHandler());
});
app.use(express.favicon());//use the icon between login?or between server wait time?
app.use(express.logger('dev'));
app.use(express.cookieParser());//allow you to use app.cookie.
app.use(express.bodyParser());
app.use(express.session({ secret: 'keyboard cat' }));
app.use(express.methodOverride());
app.use(allowCrossDomain);//allow cross domain query
app.use(app.router);
app.use(express.static(path.join(__dirname, 'client')));
//set up the root folder for href,src in the index.jade file.

app.use(function(err, req, res, next){
  console.log(req.body);
  console.log("ERROR_Server:",err);
  res.status(err.status || 500);
  res.render('500', { error: err });//may need to be changed?
});

// Initialize routing
routes(app);


app.listen(port);