Add rsync docker image

.github/workflows/docker-build.yml

@@ -9,6 +9,9 @@ on:
       username:
         required: true
         type: string
+      folder:
+        required: true
+        type: string
     secrets:
       GH_TOKEN:
         required: true
@@ -44,7 +47,7 @@ jobs:
       - name: push
         uses: docker/build-push-action@v2
         with:
-          context: .
+          context: ${{ inputs.folder }}
           platforms: linux/amd64
           push: true
           tags: ${{ steps.meta.outputs.tags }}