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Add a status option to the service health check

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Ali Afsharzadeh 2022-11-24 14:10:05 +03:30 • committed by GitHub
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docs/content/routing/services/index.md
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@ -316,7 +316,7 @@ On subsequent requests, to keep the session alive with the same server, the clie
#### Health Check
Configure health check to remove unhealthy servers from the load balancing rotation.
Traefik will consider your HTTP(s) servers healthy as long as they return status codes between `2XX` and `3XX` to the health check requests (carried out every `interval`).
Traefik will consider HTTP(s) servers healthy as long as they return a status code to the health check request (carried out every `interval`) between `2XX` and `3XX`, or matching the configured status.
For gRPC servers, Traefik will consider them healthy as long as they return `SERVING` to [gRPC health check v1](https://github.com/grpc/grpc/blob/master/doc/health-checking.md) requests.
To propagate status changes (e.g. all servers of this service are down) upwards, HealthCheck must also be enabled on the parent(s) of this service.
@ -333,6 +333,7 @@ Below are the available options for the health check mechanism:
- `headers` (optional), defines custom headers to be sent to the health check endpoint.
- `followRedirects` (default: true), defines whether redirects should be followed during the health check calls.
- `method` (default: GET), defines the HTTP method that will be used while connecting to the endpoint.
- `status` (optional), defines the expected HTTP status code of the response to the health check request.
!!! info "Interval & Timeout Format"