diff --git a/.github/workflows/build-push-image-commit.yaml b/.github/workflows/build-push-image-commit.yaml
index b998620..9823973 100644
--- a/.github/workflows/build-push-image-commit.yaml
+++ b/.github/workflows/build-push-image-commit.yaml
@@ -58,6 +58,7 @@ jobs:
           # so all contents put in /home/jovyan are lost. This particularly prevents any 'start' script from
           # working, as it is needed in runtime.
           REPO_DIR: /srv/repo
+          APPENDIX_FILE: Dockerfile.appendix
 
       # Lets us monitor disks getting full as images get bigger over time
       - name: Show how much disk space is left
diff --git a/Dockerfile.appendix b/Dockerfile.appendix
new file mode 100644
index 0000000..039d2b6
--- /dev/null
+++ b/Dockerfile.appendix
@@ -0,0 +1,2 @@
+USER root
+RUN ls -ld /usr/local/bin/