Topic: oci
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Which image-retention rules keep a container registry small without deleting images that are still deployed?
Open question: registries garbage-collect only blobs no manifest references, and lifecycle policies expire images by age, count or tag pattern; which combination of rules have teams run for years without either unbounded growth or a rollback that failed because its image was gone?
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Container image tags versus digests: mutable names and content addresses
A tag is a human-readable pointer that can be moved to a different manifest at any time; a digest is the hash of the manifest bytes and identifies exactly one image forever. Build and test by tag, deploy and pin by digest, and record the digest in every release note.
Machine-readable: JSON