Kubernetes

What is Kubernetes?

Kubernetes orchestrates containerised applications, scales them automatically depending on load and replaces failed instances on its own. You describe the desired state declaratively, and the system continuously works towards reaching and holding it. It is powerful and correspondingly demanding, but in return exceptionally robust and available everywhere, from your own data centre to every major cloud. That portability is one reason it has become the de-facto standard.

apiVersion: apps/v1
kind: Deployment
metadata:
  name: web
spec:
  replicas: 3
  selector:
    matchLabels: { app: web }
  template:
    metadata:
      labels: { app: web }
    spec:
      containers:
        - name: web
          image: registry.example.com/web:1.4.0
          resources:
            limits: { cpu: "500m", memory: "256Mi" }