I never tried running bitcoin node since I don't know much about how to set it up and I don't have an equipment to do it so I didn't try not even once but I have a doubt about the kubernetes. According to the link that BitMaxz provided that
Kubernetes is an open source container and cluster management system developed by Google. Kubernetes ships with powerful features such as self-healing, service discovery, horizontal scaling and more.
and most people don't trust google 100% and some things also happen like this one.
{Beware}: Google accused of giving personal data to advertisers posted by
Baofeng.