{ lib, nodes, pkgs, ... }: let caCert = nodes.acme.config.test-support.acme.caCert; caDomain = nodes.acme.config.test-support.acme.caDomain; in { security.acme = { server = "https://${caDomain}/dir"; email = "hostmaster@example.test"; acceptTerms = true; }; security.pki.certificateFiles = [ caCert ]; }