{ config, pkgs, lib, ... }: { options = { n8nServer = lib.mkOption { type = lib.types.str; description = "Hostname for n8n automation"; default = null; }; }; config = lib.mkIf (config.n8nServer != null) { services.n8n = { enable = true; settings = { n8n = { listenAddress = "127.0.0.1"; port = 5678; }; }; }; caddy.routes = [{ match = [{ host = [ config.n8nServer ]; }]; handle = [{ handler = "reverse_proxy"; upstreams = [{ dial = "localhost:5678"; }]; }]; }]; }; }