Learn KUBERNETES with Real Code Examples

Deploy a web application with multiple replicas

Configure Ingress for HTTP routing

Set up Secrets for database credentials

Implement horizontal pod auto-scaling

Use Helm charts to package applications

Check pod status with `kubectl get pods`

Inspect logs with `kubectl logs`

Describe resources with `kubectl describe`

Validate YAML syntax and manifest correctness

Check networking and service endpoints

Validate manifests with `kubectl apply --dry-run`

Test pods in staging clusters

Run integration tests with ephemeral namespaces

Use kind or minikube for local testing

Monitor logs and metrics during testing

On-premises bare-metal clusters

Managed Kubernetes services (EKS, GKE, AKS)

Hybrid cloud deployments

CI/CD pipelines for automated deployments

Rolling updates and blue-green deployments

kubectl CLI

Helm package manager

Kustomize for declarative overlays

Prometheus and Grafana for monitoring

CNI plugins for networking

Cloud providers: AWS, GCP, Azure

CI/CD: Jenkins, GitLab, ArgoCD

Service mesh: Istio, Linkerd

Logging: ELK stack, Fluentd

Secrets management: Vault, KMS

Use Helm charts for repeatable deployments

Leverage Kustomize for environment customization

Apply RBAC and network policies early

Automate monitoring and alerts

Keep manifests version-controlled and modular

Learning YAML manifests and declarative API

Understanding cluster networking and DNS

Debugging complex deployments

Configuring RBAC and security policies

Scaling and managing multi-node clusters efficiently