Attract contributors (at least one more)

[Edited]

1. Describe the bug

We have a few tasks (the first one, at least) that need to be performed by someone else.

Tasks:

• open this list of PRs and approve open pull requests [1][2];
• create a PR to add one example of using the Docker image on some "different" cloud GPU provider;

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[1] add a comment saying lgtm to closed PRs (as a late formal review).
[2] an easy review task: open PR #307.

[solardiz]

I am really not sure about attracting contributors here, but @claudioandre-br are you aware that in the fork network of this repo there is https://github.com/kc9jud/john-packages/tree/docker-scripting with some sensible changes? It's from 2 years ago, yet you could want to take a look and see if there's anything we want to take from there. Or maybe @kc9jud is the contributor you're looking for.

The idea is "the more eyes the better". Anyway, now that we're in the phase of just focusing on keeping the ship on course, things should be a lot smoother.