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ci: replace BuildKit attestations with proper signed provenance #31

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ci: replace BuildKit attestations with proper signed provenance #31

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44 changes: 40 additions & 4 deletions .github/workflows/release.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,7 @@ jobs:
with:
context: .
file: Containerfile
provenance: false
platforms: ${{ matrix.platform }}
outputs: type=image,"name=ghcr.io/${{ steps.meta.outputs.image_name }},${{ secrets.DOCKERHUB_USERNAME }}/openposterdb",push-by-digest=true,name-canonical=true,push=true
cache-from: type=gha,scope=${{ matrix.platform }}
Expand All @@ -69,6 +70,9 @@ jobs:
permissions:
contents: read
packages: write
id-token: write
attestations: write
artifact-metadata: write
steps:
- uses: actions/download-artifact@v4
with:
Expand Down Expand Up @@ -103,23 +107,55 @@ jobs:
echo "image_name=$(echo '${{ github.repository }}' | tr '[:upper:]' '[:lower:]')" >> "$GITHUB_OUTPUT"

- name: Create and push GHCR manifest
id: ghcr_manifest
working-directory: ${{ runner.temp }}/digests
run: |
GHCR_IMAGE="ghcr.io/${{ steps.meta.outputs.image_name }}"
docker buildx imagetools create \
if ! OUTPUT=$(docker buildx imagetools create \
-t "$GHCR_IMAGE:${{ steps.meta.outputs.tag }}" \
-t "$GHCR_IMAGE:${{ steps.meta.outputs.version }}" \
-t "$GHCR_IMAGE:${{ steps.meta.outputs.major }}" \
-t "$GHCR_IMAGE:latest" \
$(for f in *; do echo "$GHCR_IMAGE@$(cat "$f")"; done)
$(for f in *; do echo "$GHCR_IMAGE@$(cat "$f")"; done) 2>&1); then
echo "Manifest creation failed"
echo "${OUTPUT}"
exit 1
fi
echo "${OUTPUT}"
DIGEST_SHA="$(echo "${OUTPUT}" | grep -oE 'sha256:[a-f0-9]{64}' | tail -1)"
echo "digest=${DIGEST_SHA}" >> "${GITHUB_OUTPUT}"

- name: Create and push Docker Hub manifest
id: dh_manifest
working-directory: ${{ runner.temp }}/digests
run: |
DH_IMAGE="${{ secrets.DOCKERHUB_USERNAME }}/openposterdb"
docker buildx imagetools create \
if ! OUTPUT=$(docker buildx imagetools create \
-t "$DH_IMAGE:${{ steps.meta.outputs.tag }}" \
-t "$DH_IMAGE:${{ steps.meta.outputs.version }}" \
-t "$DH_IMAGE:${{ steps.meta.outputs.major }}" \
-t "$DH_IMAGE:latest" \
$(for f in *; do echo "$DH_IMAGE@$(cat "$f")"; done)
$(for f in *; do echo "$DH_IMAGE@$(cat "$f")"; done) 2>&1); then
echo "Manifest creation failed"
echo "${OUTPUT}"
exit 1
fi
echo "${OUTPUT}"
DIGEST_SHA="$(echo "${OUTPUT}" | grep -oE 'sha256:[a-f0-9]{64}' | tail -1)"
echo "digest=${DIGEST_SHA}" >> "${GITHUB_OUTPUT}"

- name: Attest GHCR image
if: steps.ghcr_manifest.outputs.digest != ''
uses: actions/attest@v4
with:
subject-name: ghcr.io/${{ steps.meta.outputs.image_name }}
subject-digest: ${{ steps.ghcr_manifest.outputs.digest }}
push-to-registry: true

- name: Attest Docker Hub image
if: steps.dh_manifest.outputs.digest != ''
uses: actions/attest@v4
with:
subject-name: docker.io/${{ secrets.DOCKERHUB_USERNAME }}/openposterdb
subject-digest: ${{ steps.dh_manifest.outputs.digest }}
push-to-registry: true
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