Allows to override nginx ingress controller image in kubesphere config
Created by: RolandMa1986
Signed-off-by: Roland.Ma rolandma@kubesphere.io
What type of PR is this?
/kind bug
What this PR does / why we need it:
When deploymnet kubesphere offline. the all the docker image will be changed to a local repo. So all the docker image need to be configuralbe.