README
Post 1: “What is Kubernetes? Understanding Container Orchestration” Target Audience: Complete beginners Content:
What problems does Kubernetes solve? Container vs VM comparison Why container orchestration is needed Kubernetes vs Docker Swarm vs other orchestrators Real-world use cases Hands-on: Set up a simple multi-container application without orchestration to show the pain points Post 2: “Kubernetes Architecture Explained — Master and Worker Nodes” Content:
Control Plane components (API Server, etcd, Scheduler, Controller Manager) Worker Node components (kubelet, kube-proxy, Container Runtime) How components communicate Visual diagrams and analogies Hands-on: Explore a running cluster with kubectl get nodes and component status Post 3: “Setting Up Your First Kubernetes Cluster” Content:
Local options: minikube, kind, Docker Desktop Cloud options: EKS, GKE, AKS comparison Installation walkthrough for minikube Basic kubectl commands Hands-on: Complete local cluster setup + first pod deployment Post 4: “Pods — The Building Blocks of Kubernetes” Content:
What is a Pod and why not just containers? Pod lifecycle and states Multi-container pods (sidecar pattern) Pod networking basics YAML structure explained Hands-on: Create pods with single and multiple containers, inspect logs and exec into pods Post 5: “Services — Connecting Your Applications” Content:
Why do we need Services? Service types: ClusterIP, NodePort, LoadBalancer, ExternalName Service discovery and DNS Endpoints and how Services find Pods Hands-on: Create different service types and test connectivity Post 6: “Deployments — Managing Application Rollouts” Content:
Deployments vs ReplicaSets vs Pods Rolling updates and rollbacks Deployment strategies Scaling applications Hands-on: Deploy nginx, perform rolling updates, scale up/down, rollback Post 7: “ConfigMaps and Secrets — Managing Application Configuration” Content:
Separating config from code Creating and using ConfigMaps Secret types and best practices Mounting configs as files vs environment variables Hands-on: Configure an app using both ConfigMaps and Secrets Post 8: “Persistent Storage — Volumes, PVs, and PVCs” Content:
Stateless vs Stateful applications Volume types and use cases PersistentVolume and PersistentVolumeClaim workflow StorageClasses and dynamic provisioning Hands-on: Deploy a database with persistent storage Post 9: “Namespaces and Resource Management” Content:
Why use namespaces? Default namespaces in Kubernetes Resource quotas and limits Network policies basics Hands-on: Create multi-tenant environment with resource boundaries Post 10: “Labels, Selectors, and Annotations — Organizing Your Resources” Content:
Labels vs Annotations differences Get Ravi Pandit’s stories in your inbox Join Medium for free to get updates from this writer.
Enter your email Subscribe Label selectors (equality and set-based) Best practices for labeling strategy Using labels for deployments and services Hands-on: Implement a labeling strategy for a multi-tier application Post 11: “StatefulSets — Managing Stateful Applications” Content:
StatefulSets vs Deployments Ordered deployment and scaling Stable network identities Persistent storage guarantees Hands-on: Deploy a MongoDB cluster using StatefulSets Post 12: “DaemonSets and Jobs — Special Workload Types” Content:
When to use DaemonSets (logging, monitoring agents) Job types: Job, CronJob Job patterns and best practices Init containers Hands-on: Set up log collection with DaemonSet and scheduled backup job Post 13: “Ingress — External Access to Your Services” Content:
Ingress vs LoadBalancer vs NodePort Ingress Controllers (nginx, traefik, istio) Path-based and host-based routing TLS termination Hands-on: Set up ingress with SSL certificates for multiple services Post 14: “Health Checks — Keeping Your Apps Healthy” Content:
Liveness, Readiness, and Startup probes Probe types: HTTP, TCP, Exec Probe configuration and timing Graceful shutdown patterns Hands-on: Implement comprehensive health checks for a web application Post 15: “Resource Management — CPU, Memory, and QoS” Content:
Requests vs Limits Quality of Service classes Resource quotas and limit ranges Horizontal Pod Autoscaler (HPA) Hands-on: Configure auto-scaling based on CPU and memory metrics Post 16: “Security Best Practices in Kubernetes” Content:
Pod Security Standards Service Accounts and RBAC Network Policies Image scanning and admission controllers Hands-on: Secure a multi-tier application with proper RBAC and network policies Post 17: “Monitoring and Logging Your Kubernetes Cluster” Content:
Metrics server and kubectl top Prometheus and Grafana setup Centralized logging with ELK/EFK stack Alerting strategies Hands-on: Set up a complete monitoring and logging solution Post 18: “Kubernetes Networking Deep Dive” Content:
CNI plugins comparison Service mesh introduction (Istio basics) Network troubleshooting DNS resolution in Kubernetes Hands-on: Troubleshoot network connectivity issues and implement service mesh Post 19: “GitOps and CI/CD with Kubernetes” Content:
GitOps principles ArgoCD or Flux setup CI/CD pipeline integration Automated deployments and rollbacks Hands-on: Build a complete GitOps workflow from code commit to production Post 20: “Production Deployment Strategies and Best Practices” Content:
Blue-Green vs Canary deployments Multi-cluster strategies Disaster recovery planning Cost optimization techniques Hands-on: Implement advanced deployment strategy with monitoring and automated rollback