var express = require('express'),
    routes = require(__dirname + '/app/routes.js'),
    app = express(),
    port = (process.env.PORT || 3001),

// Grab environment variables specified in Procfile or as Heroku config vars
    username = process.env.USERNAME,
    password = process.env.PASSWORD,
    env = process.env.NODE_ENV || 'development';

// Authenticate against the environment-provided credentials, if running
// the app in production (Heroku, effectively)
if (env === 'production') {
  if (!username || !password) {
    console.log('Username or password is not set, exiting.');
    process.exit(1);
  }
  app.use(express.basicAuth(username, password));
}

// Application settings
app.engine('html', require(__dirname + '/lib/template-engine.js').__express);
app.set('view engine', 'html');
app.set('vendorViews', __dirname + '/govuk_modules/govuk_template/views/layouts');
app.set('views', __dirname + '/app/views');

// Middleware to serve static assets
app.use('/public', express.static(__dirname + '/public'));
app.use('/public', express.static(__dirname + '/govuk_modules/govuk_template/assets'));
app.use('/public', express.static(__dirname + '/govuk_modules/govuk_frontend_toolkit'));

// routes (found in routes.js)

var assetPath = '/public/';

routes.bind(app, assetPath);

// auto render any view that exists

app.get(/^\/(.+)/, function (req, res) {

	var path = (req.params[0]);

	res.render(path, {'assetPath' : assetPath }, function(err, html) {
		if (err) {
			console.log(err);
			res.send(404);
		} else {
			res.end(html);
		}
	});

});

// start the app

app.listen(port);
console.log('');
console.log('Listening on port ' + port);
console.log('');

@@ -587,16 +587,18 @@
 ');%0A    
+//
 process.
@@ -610,14 +610,68 @@
 1);%0A
+    app.use(express.basicAuth(username, password));%0A
   %7D%0A  
+//
 app.

Fix authentication