basscomm parent
Expecting someone to set up automation to manage one certificate on a hobby site is overkill
I catch your drift, but the browser needs to treat all sites more or less the same.
I’d say the easiest way out is to use the Caddy web server, which can take care of the certs all by itself.
I currently use XML and server-side XSLT to transform it because browser makers keep threatening to remove XSLT support (and I like to make it accessible for anyone using alternative browsers). Unless I'm missing something, Caddy doesn't support that, so that's a nonstarter unless I want to rewrite everything.