adding qemu to docker publish

Author: dzsquared

.github/workflows/docker-publish.yml

@@ -38,6 +38,10 @@ jobs:
         with:
           cosign-release: 'v2.2.4'
 
+      # Setup QEMU for cross-platform builds
+      - name: setup qemu
+        uses: docker/setup-qemu-action@v3
+    
       # Set up BuildKit Docker container builder to be able to build
       # multi-platform images and export cache
       # https://github.com/docker/setup-buildx-action
@@ -59,6 +63,7 @@ jobs:
         uses: docker/metadata-action@96383f45573cb7f253c731d3b3ab81c87ef81934 # v5.0.0
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          context: git
 
       # Build and push Docker image with Buildx
       # https://github.com/docker/build-push-action
@@ -69,7 +74,7 @@ jobs:
           context: .
           push: true
           platforms: linux/amd64,linux/arm64
-          tags: ${{ steps.meta.outputs.tags }}
+          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest,${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ github.event.inputs.vTag }}
           labels: ${{ steps.meta.outputs.labels }}
           cache-from: type=gha
           cache-to: type=gha,mode=max
@@ -82,7 +87,7 @@ jobs:
       - name: Sign the published Docker image
         env:
           # https://docs.github.com/en/actions/security-guides/security-hardening-for-github-actions#using-an-intermediate-environment-variable
-          TAGS: ${{ steps.meta.outputs.tags }}
+          TAGS: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest,${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ github.event.inputs.vTag }}
           DIGEST: ${{ steps.build-and-push.outputs.digest }}
         # This step uses the identity token to provision an ephemeral certificate
         # against the sigstore community Fulcio instance.