carrierwave.rb

Fog.credentials_path = Rails.root.join('config/fog_credentials.yml')

CarrierWave.configure do |config|
  config.permissions    = 0666
  config.fog_credentials = { provider: 'AWS' }

  config.fog_directory  = 'buckets-r-us'
  # config.fog_host       = 's3.amazonaws.com'            # optional, defaults to nil
  config.fog_public     = true                                   # optional, defaults to true
  config.fog_attributes = {'Cache-Control'=>'max-age=315576000'}  # optional, defaults to {}
end

if Rails.env.test? or Rails.env.cucumber?
  CarrierWave.configure do |config|
    config.enable_processing = false
  end
end