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Merge v2.10 into v3.0

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romain 2023-11-29 12:20:57 +01:00
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10
docs/content/observability/metrics/prometheus.md
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@ -227,4 +227,12 @@ The following metric is produced :
```bash
traefik_entrypoint_requests_total{code="200",entrypoint="web",method="GET",protocol="http",useragent="foobar"} 1
```
```
!!! info "`Host` header value"
The `Host` header is never present in the Header map of a request, as per go documentation says:
// For incoming requests, the Host header is promoted to the
// Request.Host field and removed from the Header map.
As a workaround, to obtain the Host of a request as a label, one should use instead the `X-Forwarded-For` header.