“I apologize for such a long letter - I didn't have time to write a short one.” ― Mark Twain

That looks like a rad project with lots of thought and effort put into it. The author created a Gjs app to host LanguageTool inside which makes it much more user-friendly for people that don't have docker.

I took a much lazier approach by using docker and not really writing any code.

Linus Tech Tips did a video on the FriendlyELEC NAS board. It's $210 for the 32GB RAM version with no SSDs.

It's an ARM processor so great on power efficiency.

Looks like it wires 2 GB of RAM for the java process. I run it on a MacBook Air with 24 GB of RAM and I don't notice it.