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Dockerfiles look deterministic, but they are not

https://docs.stablebuild.com/why-stablebuild

by janjongboom • 2 years ago

2 1 2 years ago

DO

docs.stablebuild.com

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janjongboom• 2 years ago

Apologies for editorializing the title a bit :-)

Reading through the comments in https://news.ycombinator.com/item?id=39720007 I saw a common misconception pop up again: Dockerfiles are not deterministic. But they _look_ like they are, and even are for a while: Build a Dockerfile on your local machine; then build it again => most likely exactly the same container. Stuff starts to break down quickly though; so I did this writeup some time ago that should be informative for the wider community.

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docs.stablebuild.com

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