Introduction to Kubernetes

Kubernetes, also known as K8s, has taken the cloud and DevOps world by storm. Originally developed by Google and now part of the Cloud Native Computing Foundation, Kubernetes provides all the tools necessary to deploy and manage large-scale, mission-critical applications on the cloud from a single interface.

Traditionally, managing a large-scale, production-grade application on the cloud meant having to deal with things such as web servers, load balancers, auto-scaling, and internal and external traffic routing. Kubernetes now brings all of that under a single umbrella and provides a consistent way to manage all the components of a cloud environment.

The premise of Kubernetes is that you tell it the end state of what you want via a spec file, and Kubernetes will go about getting it done for you. For example, if you tell Kubernetes that you want three replicas for your application with a service load balancer, Kubernetes will figure out how to spin up...