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Heroku buildpack: Erlang

This is a Heroku buildpack for Erlang apps. It uses Rebar.

Configure your Heroku App

$ heroku config:add BUILDPACK_URL="https://github.com/archaelus/heroku-buildpack-erlang.git#bleeding_edge" -a YOUR_APP

or $ heroku create --buildpack "https://github.com/archaelus/heroku-buildpack-erlang.git#bleeding_edge"

Select an Erlang version

The Erlang/OTP release version that will be used to build and run your application is now sourced from a dotfile called .preferred_otp_version. It needs to be the branch or tag name from the http://github.com/erlang/otp repository, and further, needs to be one of the versions that precompiled binaries are available for.

Currently supported OTP versions:

  • master (R15B02 pre)
  • master-pu (R16B pre)
  • OTP_R15B
  • OTP_R15B01
  • OTP_R15B02

To select the version for your app:

$ echo OTP_R15B01 > .preferred_otp_version
$ git commit "Select R15B01 as preferred OTP version" .preferred_otp_version

Build your Heroku App

$ git push heroku master

You may need to write a new commit and push if your code was already up to date.