nixpkgs/nixos/modules/services/web-apps/openwebrx.nix

{ config, lib, pkgs, ... }:
let
  cfg = config.services.openwebrx;
in
{
  options.services.openwebrx = with lib; {
    enable = mkEnableOption "OpenWebRX Web interface for Software-Defined Radios on http://localhost:8073";

    package = mkOption {
      type = types.package;
      default = pkgs.openwebrx;
      defaultText = literalExpression "pkgs.openwebrx";
      description = "OpenWebRX package to use for the service";
    };
  };

  config = lib.mkIf cfg.enable {
    systemd.services.openwebrx = {
      wantedBy = [ "multi-user.target" ];
      path = with pkgs; [
        csdr
        alsaUtils
        netcat
      ];
      serviceConfig = {
        ExecStart = "${cfg.package}/bin/openwebrx";
        Restart = "always";
        DynamicUser = true;
        # openwebrx uses /var/lib/openwebrx by default
        StateDirectory = [ "openwebrx" ];
      };
    };
  };
}