Update mirror.yml

.github/workflows/mirror.yml

@@ -17,6 +17,11 @@ jobs:
     - name: Check out the repository
       uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
 
+    - name: Set up Docker Buildx
+      run: |
+        docker run --privileged --rm tonistiigi/binfmt --install all
+        docker buildx create --use
+
     - name: Log in to GitHub Container Registry
       run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin
 
@@ -31,13 +36,13 @@ jobs:
           src="eclipse-temurin:$tag"
           dest="ghcr.io/${{ github.repository_owner }}/eclipse-temurin:$tag"
 
-          # Pull the image from Docker Hub
-          docker pull $src
-          
-          # Tag the image for GitHub Container Registry
+          # Pull the manifest list (multi-platform image) from Docker Hub for all specified platforms
+          docker pull --platform=linux/amd64,linux/arm64,linux/ppc64le,linux/s390x,linux/arm/v7,windows/amd64 $src
+
+          # Tag the manifest list for GitHub Container Registry
           docker tag $src $dest
-          
-          # Push the image to GitHub Container Registry
+
+          # Push the manifest list to GitHub Container Registry
           docker push $dest
-          
+
         done < tags.txt