https://github.com/heroku/heroku-buildpack-erlang

Erlang buildpack
https://github.com/heroku/heroku-buildpack-erlang

Last synced: 3 months ago
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Erlang buildpack

• Host: GitHub
• URL: https://github.com/heroku/heroku-buildpack-erlang
• Owner: heroku
• Archived: true
• Created: 2011-10-07T20:33:35.000Z (about 13 years ago)
• Default Branch: master
• Last Pushed: 2020-08-13T10:24:58.000Z (about 4 years ago)
• Last Synced: 2024-07-20T11:06:02.316Z (4 months ago)
• Language: Shell
• Homepage:
• Size: 4.63 MB
• Stars: 106
• Watchers: 105
• Forks: 75
• Open Issues: 2
• Metadata Files:
  • Readme: README.md

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README

        
# Heroku buildpack: Erlang

This is a Heroku buildpack for Erlang apps. It uses [Rebar](https://github.com/rebar/rebar) or [Rebar3](https://github.com/rebar/rebar3).

Which build tool to use is automatically detected.  Rebar is currently the default.  If either `rebar3` or `rebar.lock` are present, Rebar3 will be used. 

### Configure your Heroku App

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

or

    $ heroku create --buildpack "https://github.com/heroku/heroku-buildpack-erlang.git"

### 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.

When you fail to specify the version, the version marked with a `*` will be used. this may vary per stack.

Currently supported OTP versions (please note that cedar will receive no more updates):

cedar-14:

* OTP_R15B02

* OTP_R16B03-1

* OTP-17.3.4

* OTP-17.4

* OTP-17.4.1

* OTP-17.5.1 *

* OTP-18.0-rc1

cedar:

* OTP_R15B

* OTP_R15B01

* OTP_R15B02

* OTP_R16B

* OTP_R16B01

* OTP_R16B02

* OTP_R16B03

* OTP_R16B03-1

* OTP-17.0

* OTP-17.1

* OTP-17.2

* OTP-17.3 *

Please let us know ([email protected]) if you'd like some other version supported.  We'll attempt to keep up to date with the official releases.

To select the version for your app:

    $ echo OTP-17.5.1 > .preferred_otp_version

    $ git commit -m "Select 17.5.1 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.

NOTE: You need to have either an ebin/ directory or rebar.config checked into Git in order for Heroku to identify this project as an Erlang app it can build.