.powenv

export S3_ENABLED=true
export THIS_THING="asdf"

pow.rb

# initializers/pow.rb
# originally found at this url which no longer exists:
# http://sanguinerane.com/auto-load-powenv-environment-variables/
# Load pow environment variables into development and test environments
if File.exist?(".powenv")
  IO.foreach('.powenv') do |line|
    next if !line.include?('export') || line.blank?
    key, value = line.gsub('export','').split('=',2)
    ENV[key.strip] = value.delete('"\'').strip
  end
end if Rails.env.development?