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docs: note docker driver attestation limits - #25753

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locker95 wants to merge 3 commits into
docker:mainfrom
locker95:docs/attestations-docker-driver-store
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docs: note docker driver attestation limits#25753
locker95 wants to merge 3 commits into
docker:mainfrom
locker95:docs/attestations-docker-driver-store

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@locker95

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Building with attestations on the docker driver + classic image store fails with “Attestation is not supported for the docker driver”, but the attestations page mostly talks about exporters.

Added a short note that you need the containerd image store, another driver (e.g. docker-container), or to turn attestations off.

Fixes #25599

The docker driver with the classic image store cannot produce image
attestations; call out containerd store or another driver.

Signed-off-by: Dean Chen <862469039@qq.com>
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locker95 requested a review from dvdksn as a code owner August 10, 2026 14:52
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@github-actions github-actions Bot added the area/build Relates to Dockerfiles or docker build command label Aug 10, 2026
Point at builders/drivers and containerd.md so htmltest resolves them.

Signed-off-by: Dean Chen <862469039@qq.com>
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fixed the two links — htmltest was right, those paths were off.

htmltest resolves /build/builders/drivers/ and /engine/storage/containerd/
(the /manuals/... form 404s in the published tree).

Signed-off-by: Dean Chen <862469039@qq.com>
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one more path tweak — switched to the same /build/... and /engine/... link style the rest of the docs use.

@dvdksn

dvdksn commented Aug 11, 2026

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Fixed in #25682

@dvdksn dvdksn closed this Aug 11, 2026
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Document build driver and image store compatibility for attestations

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