The Service Registry
Explore how Kubernetes maintains an internal service registry through cluster DNS to map Service names to IP addresses. Understand the role of coredns or kube-dns Deployments and Services in automating service registration and discovery within the cluster. Learn to use kubectl commands to inspect the cluster DNS components and how Kubernetes configures containers for seamless service communication.
We'll cover the following...
We'll cover the following...
A service registry maintains a list of Service names and their associated IP addresses. Apps use it to convert Service names into IP addresses.
Cluster DNS
Every Kubernetes cluster has a built-in cluster DNS that it uses as its service registry. It’s a Kubernetes-native application running on the control plane of every Kubernetes cluster as two ...