REQ: Global image prefix

[TJM]

Describe the feature you would like and why you want it
Due to the rate limiting that docker.io has implemented, I would like to be able to add a prefix to all docker images that kuberhealthy runs. I could modify several images, but I would like a "global" setting where I could prefix all images with something like artifactory.company.com.

Additional context
Thanks in advance!?

[TJM]

Actually, if we could split the image registry from the repository like this:

image:
  registry: docker.io
  repository: kuberhealthy/kuberhealthy
  tag: 2.3.1

.. that would probably simplify adding a global override:

global:
  imageRegistry: artifactory.company.com

[integrii]

At the risk of adding too many options to the helm chart, I think this would be useful - even for us in our internal clusters.

I will leave this feature request open for anyone who feels up to the task. Feel free to create a PR with this change in it if you get the time.

[TJM]

I will look at how they are doing this on the bitnami charts, as that is where I have recently seen this option. I am currently just updating our helmrelease to have the images listed for each check.