grocy: clear viewcache before start

      };

    };

    # After an update of grocy, the viewcache needs to be deleted. Otherwise grocy will not work

    # https://github.com/grocy/grocy#how-to-update

    systemd.services.grocy-setup = {

      wantedBy = [ "multi-user.target" ];

      before = [ "phpfpm-grocy.service" ];

      script = ''

        rm -rf ${cfg.dataDir}/viewcache/*

      '';

    };

    services.nginx = {

      enable = true;

      virtualHosts."${cfg.hostName}" = mkMerge [