The goal is to deploy automatic TLS certificates using cert-manager, with certificates supplied by Let’s Encrypt. I’ve tried to produce a minimal set of files from Digital Ocean’s Kubernetes Starter Kit - 03 nginx. I had trouble with that guide due to some strange timeout issues; bumping the version of cert-manager seemed to help (see my PR). I also changed to a cluster-issuer instead of an issuer for cert-manager. Kubernetes setup Link to heading I’ll assume you have a functioning Kubernetes cluster, for example a basic 2-node cluster from https://www.digitalocean.com/products/kubernetes.