Year: 2026

Tekton is a Kubernetes-native CI/CD framework that defines pipelines as custom resources, running tasks as pods.

Immutable infrastructure means servers are never modified after deployment — they are replaced entirely with new versions.

Feature flags are toggles that control which features are visible to users, allowing teams to deploy code without immediately releasing it.

Crossplane extends Kubernetes to manage cloud infrastructure resources like databases and storage as native Kubernetes objects.

A rolling update replaces application instances incrementally, ensuring continuous availability during the update process.

Jenkins is an open-source automation server that automates building, testing, and deploying software through CI/CD pipelines.

An observability pipeline collects, transforms, routes, and filters telemetry data between sources and destinations for cost optimization.

The USE method monitors infrastructure resources by tracking Utilization, Saturation, and Errors for every resource.

The RED method monitors three key metrics for request-driven services: Rate, Errors, and Duration.

The four golden signals are latency, traffic, errors, and saturation — the key metrics every production service should monitor.