Learn Kubernetes by its key concepts

What is Kubernetes?

K8S is an Application(containers) Orchestrator.

What does it do?

• K8S deploy and manage applications(containers).
• scale up and down according demand
• zero Downtime Deployments
• rollbacks
• and more...

Key Concept

Cluster

• Cluster is a set of nodes
• Node - Virtual(VM) or Physical Machine
  • Master node(the brain): where the decisions are made
  • Worker node: where all the heavy lifting work happens, such as running applications