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Envolve provides a consistent and validating way to access your application configuration that is set via environment variables.

This is double beneficial if you are configuring your entire application with environment variables. See. http://12factor.net/config

module MyApp
  class MyConfig < ::Envolve::Config
    prefix 'my_app'
  end


  def self.config
    @config ||= MyConfig.new
  end
end


# deep in some code somewhere

hostname = MyApp.config.hostname  # which was originall from ENV['MY_APP_HOSTNAME']

envolve

http://opensource.org/licenses/isc-license.txt

Copyright (c) 2013 Jeremy Hinegardner

Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.