Let’s Encrypt certificates with Traefik
In this article, we’ll look at using Traefik in K3S alongside cert-manager to act as an ACME (Automatic Certificate Management Environment) client for acquiring certificates from Let’s Encrypt. In order to obtain certificates, it is necessary to prove domain ownership to a Certificate Authority (CA). One method of verifying ownership is through a DNS-01 challenge. For this guide, we will use Cloudflare as our DNS provider, but the principles outlined can easily be adapted for use with other DNS providers....