Singleuser> securityContext using static runAsUser: xxxxx value resultant all files and folders has same ownerships

[kkaushik]

How to use for unique uid for each individual user.

Code am using ;
kubespawner_override:
extra_container_config:
securityContext:
runAsNonRoot: true
#runAsUser: xxxxx
runAsGroup: xxxxx
fsGroup: 1000
#readOnlyRootFilesystem: true
allowPrivilegeEscalation: false
privileged: false