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rke2's `registries.yaml` already rewrites upstream image names to the artifactapi mirror, so manifests must carry canonical upstream names. Only in-house `artifactapi.k8s.syd1.au.unkin.net/docker-internal/...` images stay explicit. Changes: - Point the Altinity chart crdHook at `docker.io/bitnami/kubectl`. - Point the operator at `docker.io/altinity/clickhouse-operator`. - Point the metrics exporter at `docker.io/altinity/metrics-exporter`. - Reword the header comment that claimed all images are pulled through the artifactapi dockerhub remote. Only the `repository` keys change; the chart still supplies the tags (0.27.2 / latest), so rendered tags are identical. `kustomize build --enable-helm apps/overlays/au-syd1/clickhouse-system` differs from main only in those three image strings. No other proxied refs in the file. Reviewed-on: #436 Co-authored-by: unkin-agent <unkin-agent@unkin.net> Co-committed-by: unkin-agent <unkin-agent@unkin.net>