Carrierwave config for processing images with lambda.rb

# config/initializers/carrierwave.rb
CarrierWave.configure do |config|
  config.storage = :fog
  config.fog_credentials = {
    provider:              'AWS'
    aws_access_key_id:     Rails.application.secrets.aws_access_key_id
    aws_secret_access_key: Rails.application.secrets.aws_secret_access_key
  }
  config.fog_directory  = 'wlambdatest'
  config.fog_public     = false
end