Update docker-publish.yml

use matrix for platforms

.github/workflows/docker-publish.yml

@@ -26,6 +26,11 @@ jobs:
   build:
 
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        platform:
+          - linux/amd64
+          - linux/arm64
     permissions:
       contents: read
       packages: write
@@ -36,7 +41,7 @@ jobs:
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v2
         with:
-          platforms: amd64,arm64
+          platforms: ${{ matrix.platform }}
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
 
@@ -67,6 +72,6 @@ jobs:
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
-          platforms: linux/amd64,linux/arm64
+          platforms: ${{ matrix.platform }}
           provenance: false
           outputs: type=image,name=target,annotation-index.org.opencontainers.image.description=Dockerized HAProxy with Lets Encrypt certificates automatic renewal