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Are you trying to change issuers? Normally cert manager will auto renew

Im wanting to change the self signed with a cert from lets encrypt via cert-manager with the dns validation set. I was able to get a cert via that method but not sure where to set the new cert since its a wildcard certificate and cert manger is in its own name-space. I have cert manager set to a clusterissuer

Rancher/cert-manager/Let's Encrypt works well Add a parameter while using the Helm chart of Rancher:

<http://rancher.ingress.extraAnnotations.cert-manager.io/cluster-issuer|rancher.ingress.extraAnnotations.cert-manager.io/cluster-issuer>: letsencrypt-prod

(where

letsencrypt-prod

is the ClusterIssuer)