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Updates docs with new support for primary cookie name in istio router

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Signed-off-by: Renato Vassão <renato.vassao@mindbodyonline.com>
This commit is contained in:
Renato Vassão
2025-11-18 15:17:33 -03:00
parent f3b240ca82
commit 70c4c528ed
2 changed files with 4 additions and 1 deletions
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3
docs/gitbook/tutorials/istio-progressive-delivery.md
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@@ -404,6 +404,9 @@ You can load `app.example.com` in your browser and refresh it until you see the
All subsequent requests after that will be served by `podinfo:6.0.1` and not `podinfo:6.0.0` because of the session affinity
configured by Flagger with Istio.
To configure stickiness for the Primary deployment to ensure fair weighted traffic routing, please
checkout the [deployment strategies docs](../usage/deployment-strategies.md#canary-release-with-session-affinity).
## Traffic mirroring
![Flagger Canary Traffic Shadowing](https://raw.githubusercontent.com/fluxcd/flagger/main/docs/diagrams/flagger-canary-traffic-mirroring.png)

2
docs/gitbook/usage/deployment-strategies.md
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@@ -474,7 +474,7 @@ can also configure stickiness for the Primary deployment. You can configure this
primaryCookieName: primary-flagger-cookie
```
> Note: This is only supported for the Gateway API provider for now.
> Note: This is only supported for the Gateway API and Istio providers for now.
Let's understand what the above configuration does. All the session affinity stuff in the above section
still occurs, but now the response header for requests routed to the primary deployment also include a