Migrate from caddy to traefik/cert-manager: - [x] traefik enabled on thelio - [x] cert-manager on thelio - [ ] traefik enabled on cirrus - [ ] cert-manger on cirrus Migrate DNS: - [x] move from netlify to cloudflare DNS (?) (Major DNS provider supported by `external-dns`) - [x] migrate subdomains - [x] configure [external-dns](https://github.com/kubernetes-sigs/external-dns) on thelio - [ ] external-dns on cirrus