fix merge step

.github/workflows/builder-image.yml

@@ -117,13 +117,33 @@ jobs:
             type=raw,value=latest
             type=sha,format=long
 
-      - name: Create and push manifest list
-        env:
-          DOCKER_CLI_EXPERIMENTAL: enabled
-        run: |
-          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "${{ steps.meta.outputs.json }}") \
-            $(for file in /tmp/digests/*; do echo -n "${{ env.REGISTRY_IMAGE }}@$(cat $file) "; done)
-
+            - name: Create and push manifest list
+            env:
+              DOCKER_CLI_EXPERIMENTAL: enabled
+            run: |
+              # Extract tags using jq and ensure proper formatting
+              TAGS=$(jq -cr '.tags[] | "-t " + .' <<< "${{ steps.meta.outputs.json }}")
+          
+              # Check if TAGS is empty
+              if [ -z "$TAGS" ]; then
+                echo "No tags found in JSON output."
+                exit 1
+              fi
+          
+              # Create a manifest list using the image digests from /tmp/digests/*
+              DIGESTS=$(for file in /tmp/digests/*; do
+                echo -n "${{ env.REGISTRY_IMAGE }}@$(cat $file) "
+              done)
+          
+              # Verify DIGESTS is not empty
+              if [ -z "$DIGESTS" ]; then
+                echo "No digests found."
+                exit 1
+              fi
+          
+              # Create the manifest list with the collected tags and digests
+              docker buildx imagetools create $TAGS $DIGESTS
+          
       - name: Inspect image
         run: |
           docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:${{ steps.meta.outputs.version }}