carrierwave initializer

config/initializers/carrierwave.rb

@@ -0,0 +1,11 @@
+if CFG.carrierwave_storage == :fog
+  CarrierWave.configure do |config|
+    config.fog_credentials = {
+      :provider              => 'AWS',
+      :aws_access_key_id     => CFG.carrierwave_fog.aws_access_key_id,
+      :aws_secret_access_key => CFG.carrierwave_fog.aws_secret_access_key,
+      :region                => CFG.carrierwave_fog.aws_region
+    }
+    config.fog_directory = CFG.carrierwave_fog.bucket
+  end
+end