Remove files that are specified in a .slugcleanup file.
$ heroku buildpacks:add https://github.com/syginc/heroku-buildpack-cleanup.git
$ cat .slugcleanup
gradle*
node_modules
MIT
README.md
CLI Installation
For new applications:
$ heroku create --buildpack https://github.com/syginc/heroku-buildpack-cleanup.git
For existing applications:
$ heroku buildpacks:set https://github.com/syginc/heroku-buildpack-cleanup.git -a YOUR_APP_NAME