some suggestions:
start working just with clearml (no agent or serving, these ones will go in after clearml is working) try a fist deploy without any override if it works start adding values to override file (without reporting everything or it will be very difficult to debug, you should not report on override file what is not overridden) do helm upgrade check problems one by one
i'm running on bare metal cluster if that matter
this is basic k8s management that is not strictly related this chart. my suggestion is to have a default storageclass that will be able to provide the right pv/pvc for any deployment you are going to have on the cluster. I suggest to start from here: https://kubernetes.io/docs/concepts/storage/storage-classes/