meadowlark.js

var express = require('express');
var fortune = require('./lib/fortune.js');

var app = express();

// set up handlebars view engine
var handlebars = require('express-handlebars')
    .create({defaultLayout:'main' });
app.engine('handlebars', handlebars.engine);
app.set('view engine', 'handlebars');

// set application port from env var with default
app.set('port', process.env.PORT || 3000);

// serve static content from public folder
app.use(express.static(__dirname + '/public'));

// start defining routes
app.get('/', function(req, res){
    res.render('home');
});

app.get('/about', function(req, res){
    res.render('about', { fortune: fortune.getFortune() });
});

// custom 404 page
app.use(function(req, res){
    res.status(404);
    res.render('404');
});

// custom 500 page
app.use(function(err, req, res, next){
    console.error(err.stack);
    res.status(500);
    res.render('500');
});

app.listen(app.get('port'), function(){
    console.log('Express started on http://localhost:' + app.get('port') +
            '; press Ctrl-C to terminate.');
});