https:// github . com /traefik/traefik-helm-chart says:
Add Traefik's chart repository to Helm:
helm repo add traefik Traefik Charts | charts
It results in:
% helm repo add traefik https://helm.traefik.io/traefik
Error: looks like "https://helm.traefik.io/traefik" is not a valid chart repository or cannot be reached: Get "https://helm.traefik.io/traefik/index.yaml": x509: certificate is valid for 519b9a16e9637ffd568aa0eb057860ca.37e7560e7e56937684197a6b808dafb2.traefik.default, not helm.traefik.io