Transport Layer Security (TLS)
Configure Transport Layer (TLS) Security in Azure Cloud Kit.
To help with using letsencrypt, there’s an option in the Terraform variables to enable letsencrypt and certmanager in the cluster.
After certmanager is installed, you’ll still need to create the cluster issuer.
After the cluster issuer is created, the next steps are to configure the ingress to use these certificates. You can follow the same Microsoft guide for this.
If you plan to use normal certificates, it’s best to follow Microsoft’s tips on how to set up Secrets Store CSI Driver to Enable NGINX Ingress Controller with TLS.