GitHub - dwilkie/carrierwave_direct: Process your uploads in the background by uploading directly to S3CarrierWaveDirect CarrierWave is a great way to upload files from Ruby applications, but since processing and saving is done in-process, it doesn't scale well. A better way is to upload your files directly then handle the processing and saving in a background process. CarrierWaveDirect works on top of CarrierWave and provides a simple way to achieve this. Example Application For a concrete example
A cheap knock off of the default validates_length_of validator, but checks the filesize of a Carrierwave attachment
