Renewal failures stay quiet until a browser warning. Certificate, Order and Challenge show where cert-manager stopped.
Start in staging; debug HTTP-01.
https://coresolutions.ltd/blog/lets-encrypt-on-kubernetes-with-cert-manager

Renewal failures stay quiet until a browser warning. Certificate, Order and Challenge show where cert-manager stopped.
Start in staging; debug HTTP-01.
https://coresolutions.ltd/blog/lets-encrypt-on-kubernetes-with-cert-manager