How to use custom TLS certificate with ingress addon

Overview

• This tutorial will show you how to configure custom TLS certificatate for ingress addon.
• mkcert is a simple tool for making locally-trusted development certificates. It requires no configuration.

Tutorial

• Start minikube

$ minikube start

• Create TLS secret which contains custom certificate and private key

$ kubectl -n kube-system create secret tls mkcert --key key.pem --cert cert.pem

• Configure ingress addon

$ minikube addons configure ingress
-- Enter custom cert(format is "namespace/secret"): kube-system/mkcert
✅  ingress was successfully configured

• Enable ingress addon (disable first when already enabled)

$ minikube addons disable ingress
🌑  "The 'ingress' addon is disabled

$ minikube addons enable ingress
🔎  Verifying ingress addon...
🌟  The 'ingress' addon is enabled

• Verify if custom certificate was enabled

$ kubectl -n ingress-nginx get deployment ingress-nginx-controller -o yaml | grep "kube-system"
- --default-ssl-certificate=kube-system/mkcert