feat: add composite action to build and push multi-arch images via remote Docker builder

build-and-push/action.yaml

@@ -81,6 +81,26 @@ runs:
         docker context use remote-builder
         docker buildx inspect --bootstrap
 
+    - name: Generate tags list
+      id: gentags
+      shell: bash
+      env:
+        IMAGE: ${{ inputs.image }}
+        IMAGE_TAGS: ${{ inputs.image_tag }}
+      run: |
+        TAGS_LIST=""
+        IFS=',' read -ra ADDR <<< "${IMAGE_TAGS}"
+        for tag in "${ADDR[@]}"; do
+          trimmed_tag=$(echo "${tag}" | xargs)
+          if [ -n "${trimmed_tag}" ]; then
+            TAGS_LIST="${TAGS_LIST}${IMAGE}:${trimmed_tag}"$'\n'
+          fi
+        done
+        
+        echo "tags<<EOF" >> "$GITHUB_OUTPUT"
+        echo -n "${TAGS_LIST}" >> "$GITHUB_OUTPUT"
+        echo "EOF" >> "$GITHUB_OUTPUT"
+
     - name: Build and Push Multi-Arch Image
       uses: docker/build-push-action@v6
       with:
@@ -89,5 +109,4 @@ runs:
         file: ${{ inputs.build_dockerfile }}
         builder: remote-builder
         platforms: ${{ inputs.platforms }}
-        tags: |
+        tags: ${{ steps.gentags.outputs.tags }}
-          ${{ join(fromJSON(format('["{0}:{1}"]', inputs.image, join(split(inputs.image_tag, ','), format('","{0}:', inputs.image)))), '\n') }}