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| author | Danilo M. <danix@danix.xyz> | 2026-09-10 21:02:49 +0200 |
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| committer | Danilo M. <danix@danix.xyz> | 2026-09-10 21:02:49 +0200 |
| commit | cd4f992a29da96b835c14545a0cb05e7e87ca291 (patch) | |
| tree | 278578f0fd672269e3af8b8368143930b5081675 /overrides.example | |
| parent | f8c45fc28964a69d51fe41f967c9fe0734b68a72 (diff) | |
| download | sbo-dockerbuild-cd4f992a29da96b835c14545a0cb05e7e87ca291.tar.gz sbo-dockerbuild-cd4f992a29da96b835c14545a0cb05e7e87ca291.zip | |
The registry never reclaims blobs, so its store grows until the disk fills and the nightly builds fail with "no space left on device". Add registry-gc.sh, run weekly (Sunday 08:00), plus a daily dangling-image prune.
registry-gc.sh refuses to run while a build is active, stops the registry for a stable blob graph, deletes only untagged manifests (-m) and their blobs, restarts via an EXIT trap, and verifies a tag still pulls.
distribution 2.8.x GC does not follow OCI image indexes, so -m deletes their child manifests (distribution#3178). Default BuildKit provenance made every pushed tag an OCI index, which made -m destructive. Build scripts now pass --provenance=false (plain schema2), and registry-gc.sh refuses to run if any tag is still an index.
Diffstat (limited to 'overrides.example')
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