Add this buildpack to your Heroku app buildpacks :
$ heroku buildpacks:add https://github.com/cantino/heroku-selectable-procfile
Specify your custom Procfile path in the environment variables :
$ heroku config:add PROCFILE_PATH=Procfile.custom
A Heroku Buildpack that allows Procfile selection by environmental variable. Chain it using https://github.com/ddollar/heroku-buildpack-multi
Add this buildpack to your Heroku app buildpacks :
$ heroku buildpacks:add https://github.com/cantino/heroku-selectable-procfile
Specify your custom Procfile path in the environment variables :
$ heroku config:add PROCFILE_PATH=Procfile.custom
A Heroku Buildpack that allows Procfile selection by environmental variable. Chain it using https://github.com/ddollar/heroku-buildpack-multi
MIT License