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24 lines
1.2 KiB
Markdown
24 lines
1.2 KiB
Markdown
---
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description: Flagger is a progressive delivery Kubernetes operator
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---
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# Introduction
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[Flagger](https://github.com/weaveworks/flagger) is a **Kubernetes** operator that automates the promotion of canary
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deployments using **Istio**, **App Mesh** or **NGINX** routing for traffic shifting and **Prometheus** metrics for canary analysis.
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The canary analysis can be extended with webhooks for running
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system integration/acceptance tests, load tests, or any other custom validation.
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Flagger implements a control loop that gradually shifts traffic to the canary while measuring key performance
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indicators like HTTP requests success rate, requests average duration and pods health.
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Based on analysis of the **KPIs** a canary is promoted or aborted, and the analysis result is published to **Slack**.
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Flagger can be configured with Kubernetes custom resources and is compatible with
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any CI/CD solutions made for Kubernetes. Since Flagger is declarative and reacts to Kubernetes events,
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it can be used in **GitOps** pipelines together with Weave Flux or JenkinsX.
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This project is sponsored by [Weaveworks](https://www.weave.works/)
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