Buildpack for gigalixir app's that use distillery.
For mix, see https://github.com/gigalixir/gigalixir-buildpack-mix
For releases, see https://github.com/gigalixir/gigalixir-buildpack-releases
To use this, see https://gigalixir.readthedocs.io/en/latest/modify-app/distillery.html#specify-buildpacks-optional