Kubernetes

Kubernetes

Container orchestration platform for deploying and scaling applications.

Quick Start

apiVersion: apps/v1; kind: Deployment; metadata: { name: nginx-deployment }
spec:
  replicas: 3; selector: { matchLabels: { app: nginx } }
  template:
    metadata: { labels: { app: nginx } }
    spec: { containers: [{ name: nginx, image: nginx:latest, ports: [{ containerPort: 80 }] }] }

kubectl apply -f deployment.yaml

Services & Ingress

apiVersion: v1; kind: Service; metadata: { name: nginx-service }
spec:
  type: LoadBalancer; selector: { app: nginx }
  ports: [{ port: 80, targetPort: 80 }]

kubectl Essentials

kubectl get pods                    # List pods
kubectl logs -f deployment/nginx    # Follow logs
kubectl exec -it pod-name -- bash   # Shell into pod
kubectl port-forward svc/nginx 8080:80  # Port forward
kubectl delete all -l app=nginx     # Delete by label

When to Use

• Container orchestration at scale
• Microservices deployments
• CI/CD pipelines
• Hybrid/multi-cloud apps

Validation

1. kubectl get pods shows all pods running
2. Services are accessible
3. Rolling updates work without downtime

Source: ssrjkk/claude-skills — distributed by TomeVault.