make npm conditional
make npm conditional

varnish/zipnish,varnish/varnish-microservice-monitor,varnish/varnish-microservice-monitor,varnish/varnish-microservice-monitor,varnish/varnish-microservice-monitor,varnish/zipnish,varnish/zipnish,varnish/varnish-microservice-monitor,varnish/zipnish,varnish/zipnish