Installing Java is few clicks, plus one extra line will give you injee. If things look very difficult, I can make it easy for you https://injee.codeberg.page/#free-support
I don't know how to create containers. If someone could help, that will be good.
Actually we are using Java runtime, but it's actually written in Clojure, a dialect of Lisp, which is far, far away from Java.
Means, you want to make Injee containerized?
Will make it click to install when I have the knowledge or resource available. If you know how to convert a jar to installable, please do message me. On the other hand, than installing a backend development environment, installing java is a few clicks. Do you really think FE dev's are incapable of doing it?
Use Mastodon or Diaspora
Kanipaan https://yu7.in/kani, a CLI calculator.
