Deploying custom actions server from docker image in a private repo

Hello team. Can anyone explain me how can I deploy a custom actions server from a Docker image, when the image is located in a private registry?

I’ve read the documentation here but it doesn’t mention this specific case.


By the way, I found this:

But it doesn’t seem to be working, I’m doing exactly as it says but the deployment of a new instance gets stuck.

Any ideas?

I could solve the issue.