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Re:Alpine makes Python Docker builds slower, and images larger by Arnavion on Wednesday January 29, 2020 @03:37PM (#22185522)
TIL about `--virtual`. This is very useful.

>-t, --virtual NAME

>Instead of adding all the packages to 'world', create a new virtual package with the listed dependencies and add that to 'world'; the actions of the command are easily reverted by deleting the virtual package

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