helm pull oci://mirrors.mamad.dev/docker/YOUR_KEY/ghcr.io/deliveryhero/helm-charts/aws-s3-proxy --version 1.0.0
helm pull oci://mirrors.mamad.dev/docker/YOUR_KEY/registry.k8s.io/ingress-nginx/controller --version 1.12.0
helm registry login mirrors.mamad.dev/docker/YOUR_KEY --username '' --password ''
Modern Helm charts use OCI registries, which are handled by the Docker mirror. Just prefix the OCI reference with mirrors.mamad.dev/docker/YOUR_KEY/. Cached for 7 days.