I’ve never worked with mediawiki, but if you’re looking for advice I’d recommend taking the time to figure docker out. Just about anything you want to self host is going to have a docker image for you, so it’s a time investment that will yield immediate and significant rewards.
I’m not a huge fan of network chuck, but if you need a getting started his videos are a pretty good jumping off point: youtu.be/eGz9DS-aIeY