How Kubernetes Actually Works — The Hidden Journey Behind Every kubectl apply

Description

Ever wondered what actually happens when you run kubectl apply? That single command kicks off a chain of events involving at least five different components, spread across multiple machines, all coordinating without a single central brain. In this video, we trace the entire journey step by step: 00:00 - Intro 00:05 - The Hook: What happens behind kubectl apply? 00:55 - The Problem: Why we need container orchestration 01:50 - Kubernetes Architecture: Control Plane vs Worker Nodes 02:45 - The API Server: Single point of contact 03:40 - etcd: The distributed database 04:35 - The Scheduler: Finding a home for every pod 05:30 - The Kubelet: Where containers actually run 06:25 - The Complete Journey: kubectl apply end-to-end 07:25 - Self-Healing: How Kubernetes fixes itself 08:20 - The Big Picture: Declarative reconciliation Topics covered: Kubernetes architecture, API server, etcd, kube-scheduler, kubelet, controller manager, container orchestration, declarative state management, and the reconciliation loop. #kubernetes #devops #k8s #containerorchestration #docker #cloudnative #systemdesign