sign github actions cache blobs #60
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Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>
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Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>
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crazy-max
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Dec 15, 2025
| env: | ||
| BUILDX_VERSION: "v0.30.1" | ||
| BUILDKIT_IMAGE: "moby/buildkit:v0.26.2" | ||
| BUILDKIT_IMAGE: "crazymax/buildkit:6397" |
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Keep in draft until moby/buildkit#6397 is released
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follow-up moby/buildkit#6397
fixes #56
Enabling signing for cache blobs in GHA cache backend protects against tampering of remote cache. The approach used here keeps the implementation isolated, transparent, and cost-effective. Local testing shows that the additional overhead introduced by copying the cosign binary into the builder container is negligible.