[PATCH] docker: rebase on vicamo/pyenv

[You-Sheng Yang]

Stephen Finucane <stephen at that.guru> 於 2021年12月23日 週四 上午6:05寫道：
>
> On Sun, 2021-12-12 at 14:17 +0800, You-Sheng Yang wrote:
> > Rebuild pyenv environments can be time-consuming and irrelevant to this
> > project. Use a prebuild image to save some time here.
> >
> > Signed-off-by: You-Sheng Yang <vicamo at gmail.com>
>
> This is a good idea. I've created a similar image at [1] which (I think) will do
> the same thing, simply so we can quickly iterate on it if we need to in the
> future. Let me know if you spot anything amiss. If not, I'll merge this (with
> the different base image) next week.

I think that looks good to me.

For those `apt-cache search` lines, I was to cover some major
Debian/Ubuntu releases. You might not need them.

Besides, while python3.10 is out and 3.11 is coming, I was personally
trying to rewrite a bit to allow automatic builds of newly available
python versions in my own repo. Add some build argument to the build
stage of the Dockerfile allows you to test that. Taking a step
further, split build stage as builder and build-all stages as I did in
[1], then you have a handy image for manual testing. Pretty convenient
for me.

[1]:https://github.com/vicamo/docker-pyenv/blob/5159e6c94d2f173f6bcc3759448ce5dea228ab08/Dockerfile-debian.template