This endpoint always returns 200 and should be used to check Prometheus health.
### Readiness check
```
GET /-/ready
```
This endpoint returns 200 when Prometheus is ready to serve traffic (i.e. respond to queries).
### Reload
```
PUT /-/reload
POST /-/reload
```
This endpoint triggers a reload of the Prometheus configuration and rule files. It's disabled by default and can be enabled via the `--web.enable-lifecycle` flag.