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Update custom headers annotation documentation (#12318)

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Signed-off-by: Satyam Zode <satyamz@users.noreply.github.com>
Co-authored-by: Satyam Zode <satyamz@users.noreply.github.com>
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k8s-infra-cherrypick-robot 2024-11-06 09:59:31 -08:00 committed by GitHub
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docs/user-guide/nginx-configuration/annotations.md
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@ -335,7 +335,13 @@ nginx.ingress.kubernetes.io/custom-http-errors: "404,415"
```
### Custom Headers
This annotation is of the form `nginx.ingress.kubernetes.io/custom-headers: custom-headers-configmap` to specify a configmap name that contains custom headers. This annotation uses `more_set_headers` nginx directive.
This annotation is of the form `nginx.ingress.kubernetes.io/custom-headers: <namespace>/<custom headers configmap>` to specify a namespace and configmap name that contains custom headers. This annotation uses `more_set_headers` nginx directive.
Example annotation for following example configmap:
```yaml
nginx.ingress.kubernetes.io/custom-headers: default/custom-headers-configmap
```
Example configmap:
```yaml
@ -345,6 +351,7 @@ data:
kind: ConfigMap
metadata:
name: custom-headers-configmap
namespace: default
```
!!! attention