I was confused when I read the article. I kept thinking it was actually a problem with hadoop and not docker, since docker is nothing but an abstraction on top of the Linux kernel.

I remember trying to produce a viable alpine based docker image for a flask backend service we had thar produced pdf using latex. Dependencies were really hard to pin down, had to resort to open issues on github, but utimately all packages were on the distribution, so it is not a problem with the tech itself, but the archaic way Java lets people to produce applications