I used this as an opportunity to try something other than Ubuntu, so I installed AlmaLinux. Ironically, though, I deployed the new website following the instructions, "Deploying Django on a single Debian or Ubuntu server". I found these instructions more broad and more detailed than others I've seen on line. But there are some differences between the instructions and what I actually did.
If I'm not too lazy (what are the chances?), I'll write up a post, and maybe even make a video, of what I did