🚀 Kubernetes Roadmap

1️⃣ Introduction & Basics

• Why Kubernetes? Problems it solves (manual scaling, resilience, deployments)
• Containers vs VMs vs Kubernetes
• Core benefits: scalability, resilience, declarative infra, portability
• Kubernetes versions & community ecosystem

2️⃣ Kubernetes Architecture

Control Plane Components

• API Server
• Scheduler
• Controller Manager
• etcd (state store) → MVCC, snapshots, restore, high availability

Worker Node Components

• Kubelet
• Kube-proxy (iptables vs IPVS)
• Container Runtime (Docker, containerd, CRI-O, why Docker deprecated)

Pod Lifecycle & Scheduling

• Pod phases: Pending, Running, Succeeded, Failed