This is a Heroku buildpack for Opa apps.
Example usage:
$ ls
Procfile package.json web.js
$ heroku create --stack cedar --buildpack http://github.com/markpundsack/heroku-buildpack-opa.git
$ git push heroku master
...
-----> Heroku receiving push
-----> Fetching custom buildpack
-----> Opa app detected
-----> Vendoring opa 1.0.687
The buildpack will detect your app as Opa if it has any *.opa files in the root. It will vendor a version of the Opa tools into your slug and compile the .opa files into an executable.