Pre-create podman storage root

Suspected cause of ownership problems when mounting a volume at this
location.

Signed-off-by: Chris Evich <chris_gitlab@icuc.me>

Containerfile

@@ -98,7 +98,7 @@ RUN sed -i -r \
     chmod +x /usr/local/bin/podman-in-podman-maintenance && \
     chown -R podman.podman /home/podman && \
     rm -f /home/podman/.bash* && \
-    echo DOCKER_HOST="unix:///tmp/podman-run-1000/podman/podman.sock" > /etc/profile.d/podman.sh
+    echo DOCKER_HOST="unix:///tmp/podman-run-1000/podman/podman.sock" > /etc/profile.d/podman.sh && \
 
 # Runtime rootless-mode configuration
 USER podman
@@ -107,6 +107,9 @@ VOLUME ["/home/podman/.local/share/containers/storage/",\
 WORKDIR /home/podman
 ENTRYPOINT ["/usr/local/bin/gitlab-runner-wrapper"]
 
+# Ensure root storage directory exists with correct permissions
+RUN mkdir -p .local/share/containers/storage
+
 # Gitlab-runner configuration options.  Default to unprivileged (nested)
 # runner.  Privileged is required to permit nested container image building.
 ARG RUNNER_NAME="qontainers-pipglr"