Carrierwave config

CarrierWave.configure do |config|
  config.fog_directory = Rails.env.production? ? "web.com" : "staging.web.com"
  config.asset_host = Rails.application.secrets.aws['asset_host']

  fog_credentials = {
                     :provider               => 'AWS',
                     :region                 => Rails.application.secrets.aws['region'],
                     :path_style             => true,
                     :endpoint               => "https://s3-ap-southeast-1.amazonaws.com"
                    }

  if Rails.env.production? || Rails.env.staging?
    fog_credentials[:use_iam_profile] = true
  else
    fog_credentials[:aws_access_key_id] = Rails.application.secrets.aws['access_key']
    fog_credentials[:aws_secret_access_key] = Rails.application.secrets.aws['secret_key']
  end

  config.fog_credentials = fog_credentials
end