diff --git a/.github/workflows/container_description.yml b/.github/workflows/container_description.yml
index d0368eaa1c..0e2b68d636 100644
--- a/.github/workflows/container_description.yml
+++ b/.github/workflows/container_description.yml
@@ -5,7 +5,7 @@ on:
     paths:
       - "README.md"
       - ".github/workflows/container_description.yml"
-    branches: [ main, master ]
+    branches: [main, master]
 
 permissions:
   contents: read
@@ -29,7 +29,7 @@ jobs:
           destination_container_repo: ${{ env.DOCKER_REPO_NAME }}
           provider: dockerhub
           short_description: ${{ env.DOCKER_REPO_NAME }}
-          readme_file: 'README.md'
+          readme_file: "README.md"
 
   PushQuayIoReadme:
     runs-on: ubuntu-latest
@@ -49,4 +49,4 @@ jobs:
         with:
           destination_container_repo: ${{ env.DOCKER_REPO_NAME }}
           provider: quay
-          readme_file: 'README.md'
+          readme_file: "README.md"
diff --git a/promu b/promu
new file mode 100755
index 0000000000..a8fe351db2
Binary files /dev/null and b/promu differ
diff --git a/rcodesign b/rcodesign
new file mode 100755
index 0000000000..52e61afc08
Binary files /dev/null and b/rcodesign differ
diff --git a/test-sign.sh b/test-sign.sh
new file mode 100755
index 0000000000..6708740ea6
--- /dev/null
+++ b/test-sign.sh
@@ -0,0 +1,3 @@
+#!/bin/bash -eo pipefail
+
+docker run --entrypoint "rcodesign" --rm -v $(pwd)/.build:/build quay.io/prometheus/golang-builder:1.21-main sign /build/darwin-arm64/node_exporter