Forwarding container ports

In previous chapters, you have learned how to work with the Kubernetes Services to forward the container port internally and externally. Now, it's time to take it a step further to see how it works.

There are four networking models in Kubernetes, and we'll explore the details in the following sections:

• Container-to-container communications
• Pod-to-pod communications
• Pod-to-service communications
• External-to-internal communications

Getting ready

Before we go digging into Kubernetes networking, let's study the networking of Docker to understand the basic concept. Each container will have a network namespace with its own routing table and routing policy. By default, the network bridge...