KubernetesAn orchestration system for containers — schedules, scales, and manages fleets of services in production. schedules containers onto nodes, restarts failed pods, rolls out deployments, and exposes services with load balancers. It runs on every major cloud (GKE, EKS, AKS) and on-prem. Example: `kubectl apply -f deployment.yaml` to run three replicas of an APIApplication programming interface — a defined way for programs to talk to each other or to a service. behind an ingress controller.

KubernetesAn orchestration system for containers — schedules, scales, and manages fleets of services in production. won the containerAn isolated runtime environment packaging an app and its dependencies — lighter than full virtual machines. orchestration wars and became the operating system of the cloud.

It standardized how teams run microservicesAn architecture splitting applications into small independent services — each deployed and scaled separately. at scale after DockerSoftware that packages applications into containers — became the default way to ship and deploy services. made containers ubiquitous.