nixos-config/config/services/acme.nix

{ ... }: {
  security.acme = {
    acceptTerms = true;
    defaults = {
      email = "lotte@chir.rs";
      dnsProvider = "rfc2136";
      credentialsFile = "/run/secrets/security/acme/dns";
    };
    certs."darkkirb.de" = {
      domain = "*.darkkirb.de";
      extraDomainNames = [ "darkkirb.de" ];
    };
    certs."chir.rs" = {
      domain = "*.chir.rs";
      extraDomainNames = [ "chir.rs" ];
    };
    certs."int.chir.rs" = {
      domain = "*.int.chir.rs";
    };
  };
}