It is doable, but it is a pain if the docker requires any special config like permanent storage. Getting nginx up and running for mTLS was especially annoying

Truenas Scale works well as long as you don’t want any dockers on it. Once you want to run docker images it is easier to install a VM on Truenas and run the docker from there than it is to try to set up custom “Apps”

And there probably are some free ones which still sell access to your home network/computer. Let’s protect kids harder by pushing them to download sketchy software!