Harbor
Harbor is a container registry with the ability to act as pull-through proxy for external registries. In the Shivering-Isles Infrastructure Harbor is mainly used as pull-through proxy for all upstream registries.
It's configured as mirror in podman, crio and containerd.
Known issues
- Doesn't work well with custom-error-pages in ingress-nginx.
nginx.ingress.kubernetes.io/custom-http-errors: "418"
solved this.