This is a Heroku buildpack of PhantomJS(http://phantomjs.org).
Example usage:
$ heroku create --stack cedar --buildpack https://github.com/RamiroPinol/heroku-buildpack-phantomjs-2.5-beta.git
# or if your app is already created:
$ heroku buildpacks:add https://github.com/RamiroPinol/heroku-buildpack-phantomjs-2.5-beta
$ git push heroku master