Hi, the Back-Ends are in principle pluggable so I'm very happy to incorporate a PR for an s3 Back end. I may also do it myself eventually. I just find s3 very

Hi, the Back-Ends are in principle pluggable so I'm very happy to incorporate a PR for an s3 Back end. I may also do it myself eventually. I just find s3 very expensive for long term storage of personal data.