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  Kubernetes Fundamentals: What is Kubernetes? K8s Architecture (Master & Worker Nodes) and Control Plane Components 📅 Published: Feb 2026 ⏱️ Estimated Reading Time: 18 minutes 🏷️ Tags: Kubernetes, K8s Architecture, Container Orchestration, Control Plane, Worker Nodes, DevOps Introduction: The Container Orchestration Problem Docker changed how we package and run applications. But running containers at scale creates new problems: Where do you run your containers? How do you schedule them across multiple machines? What happens when a container dies? How do you scale from 10 to 1000 containers? How do you update containers without downtime? How do containers find and talk to each other? Kubernetes solves these problems. It is a platform for automating deployment, scaling, and operations of containerized applications across clusters of machines. This guide covers the fundamentals: what Kubernetes is, its architecture, and the components that make it work. Part 1: What is Kubernet...