Kubernetes

1. Introduction to Kubernetes

Day 1: What is Kubernetes? Why do we need it?

Day 2: Kubernetes vs Docker Swarm vs OpenShift

Day 3: Core concepts: Cluster, Node, Pod, Container

2. Kubernetes Architecture

Day 4: Control Plane Components:

kube-apiserver

etcd

kube-scheduler

kube-controller-manager

cloud-controller-manager

Day 5: Worker Node Components:

kubelet

kube-proxy

Container runtime (Docker, containerd, CRI-O)

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3. Core Kubernetes Objects

Day 6: Pods

Day 7: ReplicaSets

Day 8: Deployments

Day 9 : Namespaces

Day 10: Services (ClusterIP, NodePort, LoadBalancer, ExternalName)

Day 11: ConfigMaps and Secrets

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4. Storage in Kubernetes

Day 12: Volumes and Persistent Volumes (PV)

Day 13: Persistent Volume Claims (PVC)

Day 14: StorageClass and dynamic provisioning

Day 15: StatefulSets

5. Networking in Kubernetes

Day 16: Pod-to-Pod communication

Day 17:Cluster networking model (CNI)

Day 18: Services and DNS

Day 19: Ingress and Ingress Controllers

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6. Advanced Workloads

Day 20: DaemonSets

Day 21: StatefulSets

Day 22: Jobs and CronJobs

Day 23: Taints, Tolerations, and Node Affinity

Day 24:Resource requests and limits

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7. Security in Kubernetes

Day 25: RBAC (Role-Based Access Control)

Day 26: Service Accounts

Day 27: Network Policies

Day 28: Security Contexts and Pod Security Standards

Day 29: Secrets encryption

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8. Observability

Day 30: Logging in Kubernetes

Day 31: Monitoring with Prometheus & Grafana

Day 32: Health checks (liveness/readiness probes)

Day 33:Metrics Server & Horizontal Pod Autoscaler (HPA)

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9. Kubernetes Operations

Day 34: Cluster setup (kubeadm, managed services like EKS/AKS/GKE)

Day 35: Upgrades and versioning

Day 36: Backups and Disaster Recovery

Day 37: Troubleshooting Pods, Nodes, Networking

Day 38: etcd management

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10. Helm & Operators

Day 39: Introduction to Helm (package manager for Kubernetes)

Day 40: Charts and Releases

Day 41: Helm vs Kustomize