Hands-On Microservices with Spring Boot and Spring Cloud

Working with kubectl contexts

To be able to work with more than one Kubernetes cluster, using either Minikube locally or Kubernetes clusters set up on-premises servers or in the cloud, kubectl comes with the concept of contexts. A context is a combination of the following:

• A Kubernetes cluster
• Authentication information for a user
• A default namespace

By default, contexts are saved in the ~/.kube/config file, but the file can be changed using the KUBECONFIG environment variable. In this book, we will use the default location, so we will unset KUBECONFIG using the unset KUBECONFIG command.

When a Kubernetes cluster is created in Minikube, a context is created with the same name as the Minikube profile and is then set as the current context. ...