Rails project configuration (see https://github.com/jkassemi/conf_conf)

conf_conf.rb

## config/initializers/conf_conf.rb

# load user-specific environment files
# (env* should be added to .gitignore)
[
  Rails.root + "env_#{Rails.env}.rb",
  Rails.root + 'env.rb'
].each do |env_file|
  require env_file if env_file.file?
end

# set defaults, typecast values and canonicalize configuration names
ConfConf.rails_configuration do
  # Sets Rails.configuration.secret_key
  config :secret_key
end

env.rb

ENV['SECRET_KEY'] ||= 'secret key'

env_test.rb

ENV['SECRET_KEY'] ||= 'test secret key'