app.js

var express = require('express')
  , app = express()
  , path = require('path')
  , opts = require(path.join(__dirname, 'config', 'opts.js'))
  , nus = require(path.join(__dirname, 'lib', 'nus.js'))(opts);

// Gotta Catch 'Em All
process.addListener('uncaughtException', function (err, stack) {
  console.log('Caught exception: ' + err + '\n' + err.stack);
  console.log('\u0007'); // Terminal bell
});

// Common options
app.set('__dirname', __dirname);
app.set('opts', opts);
app.set('x-powered-by', false);

// Load express configuration
require(path.join(__dirname, 'config', 'env.js'))(express, app);

// Load routes
require(path.join(__dirname, 'routes'))(app, nus);

// Start HTTP server
app.listen(opts.port, function () {
  console.log('Express server listening on port %d in %s mode',
    opts.port, app.settings.env
  );
  console.log('Running on %s (Press CTRL+C to quit)', opts.url);
});