Quick Hello World using node.js and Express, shows all the config options for using Jade templating lang

hello.js

var express = require('express');
var app = express.createServer();

// Configure static files directory
app.configure('development', function(){
    app.use(express.staticProvider(__dirname + '/public'));
    app.use(express.errorHandler({ dumpExceptions: true, showStack: true }));
});

// configure views directory
 app.configure(function(){
    app.set('views', __dirname + '/views');
    app.set('view engine', 'jade');
    app.set('view options', {layout : false});
 });

// Start defining RESTful path handlers
app.get('/', function(req, res){
    res.render('index.jade');
});

app.listen(9000);