💎 :octocat: Create GitHub releases when you deploy to Heroku. (Gem)
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github-release-party Gem Version RSS

Automatically create GitHub releases when you deploy.

I use this gem to automatically create GitHub releases when I deploy to Heroku. Creating releases helps your users/coworkers/boss to keep up with what's new.

The gem includes rake tasks to deploy to Heroku. Please submit any improvements as issues.

Example result:



You first need to create a GitHub access token to create the releases (limit the scope to repo). Keep your token secure (don't put it in public repos).

You need to set the environment variable GITHUB_RELEASE_TOKEN to token. A good place to do this is in your .bash_profile:

export GITHUB_RELEASE_TOKEN=token12345

In normal use, the Heroku toolbelt is not required. The release number is read from the git push output. Your Heroku remote must be named heroku.


Add the gem to your Gemfile:

group :development do
  gem "github-release-party", "~> 0.2.0"

This gem is cryptographically signed, you can verify the installation with:

gem cert --add <(curl -Ls https://raw.githubusercontent.com/stefansundin/github-release-party/master/certs/stefansundin.pem)
gem install github-release-party -P MediumSecurity

Require it in your Rakefile:

environment = ENV["RACK_ENV"] || "development"
if environment == "development"
  require "github-release-party/tasks/heroku"

Then deploy with:

rake deploy

You also get rake deploy:force, rake deploy:tag, and rake deploy:retag.

When deploying, a tag heroku/vXX (where XX is the Heroku version number) will be created, and then a GitHub release will be created for it.

rake deploy:force does the exact same thing, but it forces the Git push to Heroku.

rake deploy:tag can be run if you pushed to Heroku manually. You need to have the Heroku toolbelt installed in order to use this command.

If this gem updates the message format it uses for the releases, you can run rake deploy:retag to update the text in the tags and releases. This command does not go out to Heroku and fetch the list of releases there, it only updates the releases based on your tags. To backfill from Heroku data, see below.


The command heroku releases is limited to 50 releases, but the API supports getting all of them. This procedure is tested with heroku-toolbelt 3.32.0. Make sure you're logged in with the toolbelt (heroku auth:whoami).

The code below will output a list of git tag commands that you can run to build your tags.

Go into irb and run:

key = `heroku auth:token`.strip

require "base64"
require "net/http"
require "json"

def http_get(url, headers)
  uri = URI.parse(url)
  Net::HTTP.start(uri.host, uri.port, {
    use_ssl: uri.scheme == "https",
  }) do |http|
    endpoint = uri.path
    endpoint += "?#{uri.query}" if uri.query
    endpoint += "##{uri.fragment}" if uri.fragment
    return http.request_get(endpoint, headers)

response = http_get("https://api.heroku.com/apps/#{app}/releases", {
  "Authorization" => "Basic #{Base64.encode64(':'+key).strip}",
  "Accept" => "application/vnd.heroku+json; version=3",
  "Range" => "; max=1000",

data = JSON.parse(response.body)
deploys = data.select { |r| r["description"].start_with?("Deploy ") }
puts deploys.map { |r| "GIT_COMMITTER_DATE='#{r["created_at"]}' git tag heroku/v#{r["version"]} " + r["description"][/[0-9a-f]{7}/] }.join("\n")

When you have created all the tags, run rake deploy:retag to add the tag message and create the releases.

Heroku toolbelt

The Heroku toolbelt is only needed for rake deploy:tag and backfilling data as described above.

If you have the legacy Heroku gem installed, please uninstall it as it will not work properly with this gem.

gem uninstall heroku -ax