Docker
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Why this exists The image that passed your tests is not the image you deploy if you build again for production . A rebuild pulls newer base image layers, newer packages and a new timestamp. It is a different image with…
Promote an Image by Digest Between Registries: Same Bytes, No Rebuild, No Overwrites
A promotion script that copies the exact tested image from a staging registry to a production registry by digest, refuses to overwrite a released tag with different content, and verifies what arrived, proven with two real registries and a rebuild that turns out to be a different image.
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