Decoder. plain-English AI glossary

Kubernetes

● Core

Open-source system for automating deployment, scaling, and management of containerized applications.

Think of it like

A conductor managing an orchestra—assigns instruments to musicians, replaces broken ones, scales up for large halls.

Example

Declare desired replicas of an inference container; K8s ensures the count is maintained and routes traffic across healthy pods.

How it actually works

Abstracts underlying hardware. Handles pod placement, resource allocation, rolling updates, self-healing, and networking. Learning curve is steep; day-2 operations (monitoring, upgrades, storage) demand expertise. Not needed for small, static deployments.

For product teams

Enables reliable, multi-cloud deployment and auto-scaling but adds operational complexity.

For engineers

Declarative system; etcd stores cluster state; controllers watch and reconcile; kubelet on nodes enforces spec.

Containerization — Orchestrates.
MLOps — Sits below.

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