Hey Mike,

Thanks for this series. Is there a particular reason you chose to save the contents of your build to the cache and restore it vs using the integrated persist/attach workspace commands that are part of CircleCI (see https://circleci.com/docs/2.0/configuration-reference/#persist_to_workspace). It seems like the latter would be a better solution as it doesn’t require a put and get from s3, but perhaps you all hit some issue along the way (or were possibly not aware of this feature).