Ubuntu has a track record to do their own thing and splitting community

See also Canonical’s upstart init system, when most embraced systemd.

If you weren’t aware, Nextcloud provides non-AIO compose files in their docker repo: https://github.com/nextcloud/docker/blob/master/.examples/docker-compose/with-nginx-proxy/postgres/fpm/docker-compose.yml

I stopped using 1Weather when push notifications became clickbait. “Cold weather sweeping the country, will you be affected?” You already have my zip code, you tell me.

NVMe drives aren’t guaranteed to be fast. Based on those stats I’m guessing you have QLC and no DRAM.