Helm has deprecated its Charts repo (https://github.com/helm/charts) so this is now no longer correct: https://docs.vernemq.com/guides/vernemq-on-kubernetes#deploy-vernemq-with-helm There is only one Helm Chart on the new Helm Artifact Hub, and that's broken. https://artifacthub.io/packages/search?ts_query_web=vernemq&sort=relevance&page=1