Indeed, resumable uploads are not a thing we invented. Nevertheless, we think it's handy to have a document describing the approach and client and server implementations.
We also considered the use of the Content-Range headers for resuming uploads but dropped this idea in favour of custom headers since the purpose written down in the HTTP specification was not compatible with the way we wanted to use it.
We also considered the use of the Content-Range headers for resuming uploads but dropped this idea in favour of custom headers since the purpose written down in the HTTP specification was not compatible with the way we wanted to use it.