Kubernetes Tutorial for Beginners – Basic Concepts & Examples

Kubernetes is an open-source system that automates container deployment tasks and solves many challenges around using containers in production. It provides high-level abstractions for defining applications and their infrastructure using declarative schemas. Key features include automated rollouts, scaling, and rollbacks; service discovery, load balancing, and network ingress; storage management; and a highly extensible architecture. Kubernetes works by coordinating the operations of a cluster, which includes one or more nodes that run containers. It has several components such as kube-apiserver, kube-controller-manager, kube-scheduler, kubelet, and kube-proxy. The basic terms and concepts in Kubernetes include Nodes, Namespaces, Pods, ReplicaSets, Deployments, Services, Jobs, Volumes, Secrets and ConfigMaps, DaemonSets, and Networking Policies. Interacting with Kubernetes can be done using the Kubectl CLI tool for tasks such as listing Pods, creating a Pod or Deployment, scaling a Deployment, exposing a Service, using port forwarding, and applying a YAML file.

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