Trying to deploy an NGINX container to an OpenShift cluster today, ran into: nginx: [emerg] mkdir() "/var/cache/nginx/client_temp" failed (13: Permission denied) To do some investigating spun up a new Pod an attached an interactive shell using oc: oc run –rm -i -t frontend – –restart=Never –command – /bin/sh Indeed a quick ls -la /var/cache revealed that the nginx subdirectory is writtable by root. No good for OpenShift, which by default is non-root: