A registry grows because every commit mints digests nobody pulls again. Reference-aware retention keeps rollback targets and audit chains while expiring the debris.
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Our container registry passed ten terabytes and the bill keeps climbing. Design a retention policy.
A registry grows because every commit mints digests nobody pulls again. Reference-aware retention keeps rollback targets and audit chains while expiring the debris.
Updated Sep 2026 · Grounded in researched DevOps, SRE and platform engineering interview loops, written to a senior-engineer editorial bar, and never padded to hit a word count.
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