{...}: {
  imports = [./caddy.nix];
  services.ntfy-sh = {
    enable = true;
    settings = {
      base-url = "https://ntfy.xenia.me.uk";
      listen-http = ":8800";
      behind-proxy = true;
      enable-signup = false;
      enable-metrics = true;
    };
  };
  services.caddy.virtualHosts."ntfy.xenia.me.uk".extraConfig = "reverse_proxy http://localhost:8800";
}