Kubernetes networking is a non-trivial thing to understand, but if you are going to get into the use of Kubernetes, then you need to understand it. This trio of posts is a good way to do that. Highly recommended.

1. Understanding kubernetes networking: pods – Google Cloud Platform — Community – Medium
2. Understanding kubernetes networking: services – Google Cloud Platform — Community – Medium
3. Understanding kubernetes networking: ingress – Google Cloud Platform — Community – Medium