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you mean the registry-mirrors where you don't need to fully qualify the image name or the k8s https://docs.rancherdesktop.io/how-to-guides/mirror-private-registry?

Thanks a ton, looks good at first sight. 👍 We actually don't want to specify a specific Private Registry when pulling images from the internet from within a Docker Compose file. The idea would be that the configured Private Registries are asked one after the other, before trying to go to Docker Hub ...

well if pulling from the internet (registry.docker.io) than that works by default. pulling from your private would be something different and then it would be configuring docker's daemon.json w registry-mirrors so it pulls there first