Allow overriding image creation time #137
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If the SOURCE_DATE_EPOCH env var is set (to a number of seconds since the Unix epoch), its value will be used as the creation time of the image produced, and of config history values for each layer. This matches the behavior of tools like ko[0] and is the recommendation of https://reproducible-builds.org/ 0: https://github.com/google/ko#why-are-my-images-all-created-in-1970 Signed-off-by: Jason Hall <[email protected]>
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jabrown85
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natalieparellano
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Signed-off-by: Jason Hall <[email protected]>
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I presume this can be closed, now that the alternative approach in #138 has merged? |
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If the
SOURCE_DATE_EPOCHenv var is set (to a number of seconds since the Unix epoch), its value will be used as the creation time of the image produced, and of config history values for each layer.This matches the behavior of tools like
koand is the recommendation of https://reproducible-builds.org/See https://reproducible-builds.org/docs/source-date-epoch/
This was requested in a Slack thread, and I think unless there's a philosophical reason not to support it, the diff is small, and AFAIK will not have negative downstream effects (but isn't that always what they say?)
Anyway, let me know if there is some philosophical reason not to support it, or if you suspect there will be negative downstream effects.