ci: Use docker slim images where possible

[hneiva]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (97be118) 60.18% compared to head (0f1ef4e) 60.24%.
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #454      +/-   ##
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+ Coverage   60.18%   60.24%   +0.06%     
==========================================
  Files          69       69              
  Lines        6409     6424      +15     
  Branches     1292     1484     +192     
==========================================
+ Hits         3857     3870      +13     
- Misses       2266     2268       +2     
  Partials      286      286              

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[bhearsum]

If you want to stick with this approach I'm good with it. I think we also talked about using separate images per Python version to avoid building a bunch of Python versions ourselves in one giant image? Up to you.

[hneiva]

If you want to stick with this approach I'm good with it. I think we also talked about using separate images per Python version to avoid building a bunch of Python versions ourselves in one giant image? Up to you.

Yeah, since it's a bigger refactor I think we should do it in a separate issue.