fix docker build

.github/workflows/Publish Docker image.yml

@@ -22,6 +22,11 @@ jobs:
           - linux/amd64
           - linux/arm64
     steps:
+      - name: Prepare
+        run: |
+          platform=${{ matrix.platform }}
+          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV  
+
       - name: Checkout
         uses: actions/checkout@v4
       
@@ -46,42 +51,37 @@ jobs:
 
       - name: Build and push by digest
         id: build
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
-          context: .
           platforms: ${{ matrix.platform }}
           labels: ${{ steps.meta.outputs.labels }}
-          outputs: type=image,push-by-digest=true,name-canonical=true,push=true
+          outputs: type=image,name=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true
 
       - name: Export digest
         run: |
           mkdir -p /tmp/digests
           digest="${{ steps.build.outputs.digest }}"
-          echo "${digest#sha256:}" > "/tmp/digests/${digest#sha256:}"
+          touch "/tmp/digests/${digest#sha256:}"          
   
       - name: Upload digest
         uses: actions/upload-artifact@v4
         with:
-          name: digests-${{ matrix.platform }}
+          name: digests-${{ env.PLATFORM_PAIR }}
           path: /tmp/digests/*
           if-no-files-found: error
+          retention-days: 1
 
   merge:
     runs-on: ubuntu-latest
-    needs: build
+    needs:
+      - build
     steps:
-      - name: Install GitHub CLI
-        run: |
-          sudo apt-get install -y gh
-
-      - name: Download all digests
-        run: |
-          mkdir -p /tmp/digests
-          for platform in linux-amd64 linux-arm64; do
-            gh run download ${{ github.run_id }} -n digests-$platform -D /tmp/digests/$platform
-          done
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Download digests
+        uses: actions/download-artifact@v4
+        with:
+          path: /tmp/digests
+          pattern: digests-*
+          merge-multiple: true
      
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3