Yes, both the standalone quickstart and the quickstart section of the readme (which are both different).

Is it possible to get the static sites without spinning up a DB backend?

Can anyone figure out what the minimum process is to just use the SSG function? I’m having a really hard time trying to understand the documentation.

ufw is just a fancy frontend for iptables, but hasn’t been updated for nftables, yet.

Firewalld is an option that supports both, and if you happen to be running cockpit as well, the cockpit-firewall plugin provides a simple GUI for the whole thing.