Express Static Sever

express.js

/**
 * This is your Node app's main file
 * Don't forget to create a Procfile with `web: node app` in repository root for Heroku support
 */
var express = require('express');
var http = require('http');
var path = require('path');

var bodyParser = require('body-parser');
var methodOverride = require('method-override');

var app = express();

app.use(bodyParser());
app.use(methodOverride());

app.use(express.static(path.join(__dirname, 'public')));
app.set('port', process.env.PORT || 3000);

app.use(function logErrors(err, req, res, next) {
  console.error(err.stack);
  next(err);
});

app.use(function clientErrorHandler(err, req, res, next) {
  if (req.xhr) {
    res.status(500).send({error: 'Something blew up!'});
  } else {
    next(err);
  }
});

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

if ('development' == app.get('env')) {
  // do something
}

http.createServer(app).listen(app.get('port'), function () {
  console.log('Express server listening on port ' + app.get('port'));
});