Monday, February 13, 2023

Quick Introduction to Oracle Kubernetes Engine OKE

Kubernetes is the way to orchestrate containers based application. Every cloud provider offers a managed K8s cluster and Oracle is no exception.

Oracle Cloud Infrastructure Container Engine for Kubernetes is a fully-managed, scalable, and highly available service that you can use to deploy your containerized applications to the cloud. After using it in test and production, OKE is one of the most stable and performant Kubernetes cluster out there and the integration with other services is also very seamless.


Use Container Engine for Kubernetes (sometimes abbreviated to just OKE) when your development team wants to reliably build, deploy, and manage cloud-native applications. You specify the compute resources that your applications require, and Container Engine for Kubernetes provisions them on Oracle Cloud Infrastructure in an existing OCI tenancy.

A Kubernetes cluster can be organized into namespaces to divide the cluster's resources between multiple users. Initially, a cluster has the following namespaces:

  • default, for resources with no other namespace
  • kube-system, for resources created by the Kubernetes system
  • kube-node-lease, for one lease object per node to help determine node availability
  • kube-public, usually used for resources that have to be accessible across the cluster

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