IF you have done the lab correctly, you access the app through the public DNS name of the loadbalncer. In a real production cluster, the nodes would absolutely not be accessible via public IPs. Loadbalancer is the only way in from the outside world.
IF you have done the lab correctly, you access the app through the public DNS name of the loadbalncer. In a real production cluster, the nodes would absolutely not be accessible via public IPs. Loadbalancer is the only way in from the outside world.