How AI describes Flagger

Flagger is a Progressive Delivery Operator for Kubernetes that reduces production risk by gradually shifting traffic to a new version while monitoring metrics like request success rate and latency. It enables flexible traffic routing for canary, A/B testing, and blue/green deployments across multiple ingress controllers and service meshes compatible with the Kubernetes Gateway API, including Istio, Linkerd, Kuma, Contour, NGINX, Traefik, and more. It supports extensible validation with custom metrics and webhooks, integrates with major monitoring backends, facilitates GitOps workflows with Flux, and sends deployment notifications to Slack, Teams, Discord, and Rocket.