anchor.diff:          chown -R varnish:varnish ${cfg.stateDir}
         '';
         path = [ pkgs.gcc ];
  -      serviceConfig.ExecStart = "${pkgs.varnish}/sbin/varnishd -f ${pkgs.writeText "default.vcl" cfg.config} -n ${cfg.stateDir} -u varnish";
  +      serviceConfig.ExecStart = "${pkgs.varnish}/sbin/varnishd -a ${cfg.http_address} -f ${pkgs.writeText "default.vcl" cfg.config} -n ${cfg.stateDir} -u varnish";
         serviceConfig.Type = "forking";
       };
   
  
positive.code:         default = false;
          description = "
            Enable the Varnish Server.
          ";
        };
  
  
negative.code: { config, pkgs, ...}:
  let
    cfg = config.services.varnish;
  
  in
  with pkgs.lib;
  {
  