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simple app config

Generates a configuration object:

  • Pass in a YAML file

  • Pass in an environment as a filter

  • Use YAML defaults

  • Use ERB

  • Returns an OpenStruct so top level attributes can be accessed via method

Here is how a configuration file could look like:

application: RailsConfig
version: <%= 'version'.upcase %>

defaults: &defaults
    key: payment_key

  <<: *defaults
    key: development_payment_key

  <<: *defaults


Via github

gem install phuesler-simple_app_config

Via gem cutter (

gem install gemcutter
gem tumble
gem install simple_app_config


require 'simple_app_config'
Config = AppConfig.create("config/application.yml", :environment => 'development')

puts Config.application
puts Config.payment['key']

Or if you prefer the hash syntax do

require 'simple_app_config'
Config = AppConfig.create("config/application.yml", :environment => 'development', :format => :hash)

puts Config.application
puts Config['payment']['key']

When used in a Rails project, create an initializer and add something like this:

require 'simple_app_config'
Config = AppConfig.create("#{Rails.root}/config/application.yml", :environment => Rails.env)

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, version, or history. (if you want to have your own version, that is fine but

    bump version in a commit by itself I can ignore when I pull)
  • Send me a pull request. Bonus points for topic branches.


Copyright © 2009 Patrick Huesler. See LICENSE for details.

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