{pkgs, ...}: { environment.systemPackages = with pkgs; [ mycli ]; networking.firewall.allowedTCPPorts = [ 3306 ]; services.mysql = { enable = true; package = pkgs.mariadb_118; configFile = pkgs.writeText "my.cnf" '' [mariadb] log-bin server_id=1 log-basename=master1 binlog-format=mixed ''; }; }