Sets ENVironment variables around your app. Helps to locally simulate Heroku environment.
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README.rdoc

rack-environment

Sets ENVironment variables around your app.

This can help you to more closely simulate your Heroku environment in development.

Rails

# config/environments/development.rb
config.gem 'rack-environment'
config.middleware.use 'RackEnvironment'

# config/environment.yml
VARIABLE1: value1
VARIABLE2: value2

Rack

# config.ru
Rack::Builder.new
  use RackEnvironment if ENV['RACK_ENV'] == 'development'
  run MyApplication.new
end

Options

use RackEnvironment, :environment => { :ONE => 'one', 'two' => 'two' }
use RackEnvironment, :file => 'config/environment.yml'

Using outside the Rack stack (Rake tasks)

# Rakefile
require 'rack_environment_task'
RackEnvironment::Task.new(...) # accepts same options as RackEnvironment

Note on Patches/Pull Requests

  • Fork the project.

  • Make your feature addition or bug fix.

  • Add tests for it. This is important so I don't break it in a future version unintentionally.

  • Commit, do not mess with Rakefile or VERSION

  • Send me a pull request. Bonus points for topic branches.

Copyright

Copyright © 2009 David Dollar. See LICENSE for details.