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0 pointswhalesalad7y ago0 comments

Layers are each a tarball, extracted one by one on top of one another to get you to the end result.

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So docker untars a filesystem which contains a file "foo" and calls this layer "1". Then it encounters a "RUN some_installer_thing" which removes file "foo" and calls this layer "2".

If you just untar the layers on top of each other, foo will still be there. This is a problem, no?

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RantyDave7y ago

So docker untars a filesystem which contains a file "foo" and calls this layer "1". Then it encounters a "RUN some_installer_thing" which removes file "foo" and calls this layer "2".

If you just untar the layers on top of each other, foo will still be there. This is a problem, no?

j / k navigate · click thread line to collapse