I'm been a fan of dokuwiki for a while. It's similar to the popular media wiki but offers better ACL. I've set it up multiple times in multiple ways, always a little concerned about security. I've had installed plugins with security flaws and it's just hard to stay on top.

Having worked at a startup for over 2 years that's heavily invested in docker, I've gotten to know docker really well. Not having had a website for quite a while, I finally decide to dip my toe in the water again using docker to contain my site.

Bitnami