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cert-manager, the Certificate Manager

Like the name indicates, cert-manager adds certificates and certificate issuers as custom resources for Kubernetes.

High level overview diagram explaining cert-manager architecture

It's possible to manage self-signed certificates, a private CA, ACME issuers, ...

cert-manager also automatically generates and renews certificates using the Kubernetes annotation field in the Ingress resource.

Although cert-manager is not compatible with the Traefik IngressRoute resource, the certificate can be managed using a Certificate resource.