A Heroku buildpack that installs GraphicsMagick on the Cedar-14 stack.
The version currently installed is 1.3.18.
See config for versions of lib dependencies.
Simply add this Git repo to your .buildpacks
file and set your Heroku config var BUILDPACK_URL
to https://github.com/mojodna/heroku-buildpack-multi.git#build-env
.