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A comment on Minideb – A small image based on Debian designed for use in containers. Parent comment

Re:Minideb – A small image based on Debian designed for use ... by CoreXtreme on Tuesday September 19, 2017 @03:36PM (#15288071)
Yes, they can certainly help in cases where you are offering your images to others.

Assuming, initial size is zero. If you install 100MB of packages in layer 1.

Then in second layer, you uninstall of those packages. Your image size will still be 100MB.

If you are optimizing for high density, a smaller size certainly helps.

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Re:Minideb – A small image based on Debian designed for use ... by amq on Tuesday September 19, 2017 @04:01PM (#15288281)
Others are very likely to already have the Debian base image cached - by using pretty much any official library image.
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