Deploying on Heroku

Register with Heroku and create an app: http://heroku.com/

Download the Heroku Toolbelt: https://toolbelt.heroku.com/

In a command line console enter:

heroku config:add NODE_ENV=production
heroku config:add BUILDPACK_URL=https://github.com/mbuchetics/heroku-buildpack-nodejs-grunt.git

Then push your mean app to Heroku.