Well, i decided to brush up my simple HTML page and created a fully linked wiki on the subject. Please take a look, in the hope it will be useful for at least one fellow one-eyed leg-pegged passionate data hoarder.
Gentoo is a bit of a weird choice but maybe I am prejudiced from using it as a Desktop environment versus use as a server. But in any case, good to write this up.
And by not using any docker, you can be 100% sure of what you are actually installing. instead of resorting to trust binaries somebody else put together in an opaque container.