Refactor Docker Buildx and add JSON output for metadata

Signed-off-by: Shakar Bakr <5h4k4r.b4kr@gmail.com>

action.yml

@@ -43,12 +43,6 @@ runs:
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v3
 
-    - name: Run a command and output JSON
-      id: run-command
-      shell: bash
-      run: |
-        echo ${{ fromJson(steps.meta.outputs.json) }}
-
     - id: meta
       name: Extract Metadata
       uses: docker/metadata-action@v5
@@ -68,6 +62,12 @@ runs:
           type=semver,pattern={{major}}.{{minor}}
           type=semver,pattern={{version}},priority=9999 #1
 
+    - name: Run a command and output JSON
+      id: run-command
+      shell: bash
+      run: |
+        echo ${{ steps.meta.outputs.json }} | python -m json.tool
+
     - name: Login to Registry
       uses: docker/login-action@v3
       with: