This is a barebones Node.js app using the Express framework.
Asumming you have Node.js and Heroku Toolbelt installed on your machine:
git clone http://github.com/jpx83/bitstarter.git
cd bitstarter
npm install
foreman start
Your app should now be running on localhost:5000.
heroku create
git push heroku master
heroku open
For more information about using Node.js on Heroku, see these Dev Center articles: