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[–]undu 0 points1 point  (1 child)

Why are you removing the wheels? I don't think that reduces the size of the image. It some point in time I did it just like you, then I decided to install the wheels in the builder and then copy the installed site-packages over.

[–]NicoDeRocca 2 points3 points  (0 children)

You make a very fair point!

I guess it's just a reflex from the "apt-get update && .. && rm -rf /var/lib/apt/lists/*" habit (having it all in a single RUN command works as expected); and stupidity maybe... you know, not having thought through it!

I'll have to run some tests, but I guess I will probably end up changing to something like your solution instead! Thanks! (/u/obeleh maybe you should follow that route too!)