{ config, lib, pkgs, ... }:

{
  networking.hostName = "mqtt-ingest";

  services.gebos.secrets.ingester = true;
  # Broker authn users (users.csv).
  services.gebos.secrets.emqx = true;

  # EMQX (official container image) terminates TLS on :8883 itself and serves
  # the ingester on loopback :1883. Certs come from security.acme via HTTP-01
  # (lego standalone on :80) — no Caddy on this host anymore.
  services.gebos.emqx = {
    enable = true;
    domain = "ingest.gebos.online";
    # Persistent sessions on disk — single-node, devices reconnect on restart.
    persistentSessions = true;
    tlsPort = 8883;
  };

  services.gebos.ingester = {
    enable = true;
    # mqttBroker defaults to tcp://127.0.0.1:1883 (the local EMQX).
    postgresUrl = "postgres://gebos_ingest@10.0.0.2:5432/postgres?sslmode=require";
    # GEBOS_POSTGRES_PASSWORD sourced from /run/secrets/gebos-env (sops-nix).
  };

  # 8883: MQTTS for senders. 80: ACME HTTP-01 challenge (lego's standalone
  # solver binds it during issuance/renewal; idle otherwise).
  networking.firewall.allowedTCPPorts = [ 80 8883 ];
}