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Support 3xx HTTP status codes for health check

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Ondrej Flidr 2018-05-23 17:06:04 +02:00 • committed by Traefiker Bot
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docs/basics.md
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@ -454,12 +454,12 @@ The deprecated way:
#### Health Check
A health check can be configured in order to remove a backend from LB rotation as long as it keeps returning HTTP status codes other than `2xx` to HTTP GET requests periodically carried out by Traefik.
A health check can be configured in order to remove a backend from LB rotation as long as it keeps returning HTTP status codes other than `2xx` or `3xx` to HTTP GET requests periodically carried out by Traefik.
The check is defined by a path appended to the backend URL and an interval (given in a format understood by [time.ParseDuration](https://golang.org/pkg/time/#ParseDuration)) specifying how often the health check should be executed (the default being 30 seconds).
Each backend must respond to the health check within 5 seconds.
By default, the port of the backend server is used, however, this may be overridden.
A recovering backend returning `2xx` responses again is being returned to the LB rotation pool.
A recovering backend returning `2xx` or `3xx` responses again is being returned to the LB rotation pool.
For example:
```toml