ci: improvements

.github/workflows/docker-publish.yml

@@ -54,7 +54,7 @@ jobs:
         run: |
           export VERSION=$(mvn help:evaluate -Dexpression="project.version" -q -DforceStdout)
           echo "IMAGE_TAG=$VERSION" >> $GITHUB_ENV
-          if [[ "${{ env.version }}" != *"SNAPSHOT"* ]]; then
+          if [[ "${{ env.IMAGE_TAG }}" != *"SNAPSHOT"* ]]; then
             echo "LATEST=latest" >> $GITHUB_ENV
           fi
 
@@ -83,7 +83,7 @@ jobs:
       # https://github.com/docker/build-push-action
       - name: Build and push Docker image
         id: build-and-push
-        uses: docker/build-push-action@0565240e2d4ab88bba5387d719585280857ece09 # v5.0.0
+        uses: docker/[email protected]
         with:
           context: .
           push: ${{ github.event_name != 'pull_request' }}
@@ -92,17 +92,4 @@ jobs:
           cache-from: type=gha
           cache-to: type=gha,mode=max
 
-      # Sign the resulting Docker image digest except on PRs.
-      # This will only write to the public Rekor transparency log when the Docker
-      # repository is public to avoid leaking data.  If you would like to publish
-      # transparency data even for private images, pass --force to cosign below.
-      # https://github.com/sigstore/cosign
-      - 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 }}
-          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}
+