chore: create sign image workflow #3
Workflow file for this run
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| name: Sign Image | |
| on: | |
| pull_request: | |
| jobs: | |
| sign-image: | |
| runs-on: ubuntu-latest | |
| env: | |
| IMAGE_TO_SIGN: "ghcr.io/rsturla/eternal-linux/main/kinoite:pr160-91478c5-40-zstd-chunked" | |
| steps: | |
| - name: Checkout code | |
| uses: actions/checkout@v4 | |
| - name: Login to GHCR | |
| uses: docker/login-action@0d4c9c5ea7693da7b068278f7b52bda2a190a446 # v3 | |
| with: | |
| registry: ghcr.io | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Get digest | |
| id: get-digest | |
| run: | | |
| digest=$(skopeo inspect docker://$IMAGE_TO_SIGN --format '{{.Digest}}') | |
| name=$(skopeo inspect docker://$IMAGE_TO_SIGN --format '{{.Name}}') | |
| echo "DIGEST=$digest" >> $GITHUB_OUTPUT | |
| echo "NAME=$name" >> $GITHUB_OUTPUT | |
| - name: Setup Cosign | |
| uses: sigstore/cosign-installer@59acb6260d9c0ba8f4a2f9d9b48431a222b68e20 # v3.5.0 | |
| - name: Sign Image | |
| env: | |
| SIGNING_KEY: ${{ secrets.ETERNAL_LINUX_SIGNING_KEY }} | |
| COSIGN_EXPERIMENTAL: false | |
| IMAGE_NAME: ${{ steps.get-digest.outputs.NAME }} | |
| IMAGE_DIGEST: ${{ steps.get-digest.outputs.DIGEST }} | |
| run: | | |
| cosign sign -y --key env://SIGNING_KEY $IMAGE_NAME@$IMAGE_DIGEST |