Update docker-publish.yml

.github/workflows/docker-publish.yml

@@ -1,9 +1,6 @@
 name: DockerBuild
-
 # This workflow uses actions that are not certified by GitHub.
-# They are provided by a third-party and are governed by
-# separate terms of service, privacy policy, and support
-# documentation.
+# They are provided by a third-party and are governed by separate terms of service, privacy policy, and support documentation.
 
 on:
   workflow_dispatch:
@@ -34,19 +31,14 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
-
-      # Install the cosign tool except on PR
-      # https://github.com/sigstore/cosign-installer
+      # Install the cosign tool except on PR https://github.com/sigstore/cosign-installer
       - name: Install cosign
         if: github.event_name != 'pull_request'
-        uses: sigstore/cosign-installer@v3.5.0
-        
+        uses: sigstore/cosign-installer@v3.5.0 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
-        
       - name: Setup Docker buildx
         uses: docker/setup-buildx-action@v3
-
       - name: Log into registry ${{ env.REGISTRY }}
         if: github.event_name != 'pull_request'
         uses: docker/login-action@v3
@@ -54,14 +46,13 @@ jobs:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
-
       - name: Extract metadata
         id: meta
         uses: docker/metadata-action@v4
         with:
           flavor: latest=true
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
-
+          tags: type=sha,format=long
       - name: Build and push Docker image
         id: build-and-push
         uses: docker/build-push-action@v5
@@ -71,13 +62,27 @@ jobs:
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
-
-
-      # Sign the resulting Docker image digest except on PRs.
-      # https://github.com/sigstore/cosign
-      - name: Sign the published Docker image
+      # Sign the resulting Docker image digest except on PRs. https://github.com/sigstore/cosign
+      - name: Sign image with a key
         if: ${{ github.event_name != 'pull_request' }}
+        run: |
+          images=""
+          for tag in ${TAGS}; do
+            images+="${tag}@${DIGEST} "
+          done
+          cosign sign --yes --key env://COSIGN_PRIVATE_KEY ${images}
         env:
-          COSIGN_EXPERIMENTAL: "true"
-        # This step uses the identity token to provision an ephemeral certificate against the sigstore community Fulcio instance.
-        run: echo "${{ steps.meta.outputs.tags }}" | xargs -I {} cosign sign {}@${{ steps.build-and-push.outputs.digest }}
+          TAGS: ${{ steps.meta.outputs.tags }}
+          COSIGN_PRIVATE_KEY: ${{ secrets.COSIGN_PRIVATE_KEY }}
+          COSIGN_PASSWORD: ${{ secrets.COSIGN_PASSWORD }}
+          DIGEST: ${{ steps.build-and-push.outputs.digest }}
+      - name: Sign the images with GitHub OIDC Token
+        env:
+          DIGEST: ${{ steps.build-and-push.outputs.digest }}
+          TAGS: ${{ steps.meta.outputs.tags }}
+        run: |
+          images=""
+          for tag in ${TAGS}; do
+            images+="${tag}@${DIGEST} "
+          done
+          cosign sign --yes ${images}