{ config, ... }: { services.mosquitto = { enable = true; host = "0.0.0.0"; users = { wordclock = { acl = [ "topic readwrite wordclock/color/+" ]; password = "ymfQkXcEqGuk62SH"; }; }; }; networking.firewall.allowedTCPPorts = [ 1883 ]; services.wordclock-dimmer = { enable = true; mqtt = { user = "wordclock"; password = config.services.mosquitto.users.wordclock.password; host = "localhost"; }; }; }