As an alternative, I recently setup Nextcloud on an Ubuntu running vm using the snap package[1] and it took around 30 minutes in total.
I thought I managed to cancel it yesterday and remove the folder from auto uploads but today it's trying to upload the contents of that folder again even though I can't find it in my auto upload setup.
I've also felt it misses instant uploads once in a while but never investigated to prove that or the circumstances so take that with a grain of salt