Testing updated github docker template

Author: gcclinux

.github/workflows/docker-publish.yml

@@ -33,12 +33,21 @@ jobs:
       # with sigstore/fulcio when running outside of PRs.
       id-token: write
 
+    strategy:
+      matrix:
+        include:
+          - arch: amd64
+            platform: linux/amd64
+
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
 
-      # Install the cosign tool except on PR
-      # https://github.com/sigstore/cosign-installer
+      - name: Read package version
+        id: get_version
+        run: |
+          echo "version=$(node -p \"require('./package.json').version\")" >> $GITHUB_OUTPUT
+
       - name: Install cosign
         if: github.event_name != 'pull_request'
         uses: sigstore/cosign-installer@59acb6260d9c0ba8f4a2f9d9b48431a222b68e20 #v3.5.0
@@ -71,14 +80,15 @@ jobs:
 
       # Build and push Docker image with Buildx (don't push on PR)
       # https://github.com/docker/build-push-action
-      - name: Build and push Docker image
+      - name: Build and push Docker image (per-arch)
         id: build-and-push
         uses: docker/build-push-action@0565240e2d4ab88bba5387d719585280857ece09 # v5.0.0
         with:
           context: .
           push: ${{ github.event_name != 'pull_request' }}
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
+          platforms: ${{ matrix.platform }}
+          tags: |
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.get_version.outputs.version }}-${{ matrix.arch }}
           cache-from: type=gha
           cache-to: type=gha,mode=max
 
@@ -90,9 +100,7 @@ jobs:
       - name: Sign the published Docker image
         if: ${{ github.event_name != 'pull_request' }}
         env:
-          # https://docs.github.com/en/actions/security-guides/security-hardening-for-github-actions#using-an-intermediate-environment-variable
-          TAGS: ${{ steps.meta.outputs.tags }}
+          TAG: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.get_version.outputs.version }}-${{ matrix.arch }}
           DIGEST: ${{ steps.build-and-push.outputs.digest }}
-        # This step uses the identity token to provision an ephemeral certificate
-        # against the sigstore community Fulcio instance.
-        run: echo "${TAGS}" | xargs -I {} cosign sign --yes {}@${DIGEST}
+        run: |
+          cosign sign --yes ${TAG}@${DIGEST}