---
title: server
sidebarTitle: server
---

# `prefect.workers.server`

## Functions

### `build_healthcheck_server` <sup><a href="https://github.com/PrefectHQ/prefect/blob/main/src/prefect/workers/server.py#L11" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

```python
build_healthcheck_server(worker: BaseWorker[Any, Any, Any], query_interval_seconds: float, log_level: str = 'error') -> uvicorn.Server
```


Build a healthcheck FastAPI server for a worker.

**Args:**
- `worker`: the worker whose health we will check
- `log_level`: the log


### `start_healthcheck_server` <sup><a href="https://github.com/PrefectHQ/prefect/blob/main/src/prefect/workers/server.py#L53" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

```python
start_healthcheck_server(worker: BaseWorker[Any, Any, Any], query_interval_seconds: float, log_level: str = 'error') -> None
```


Run a healthcheck FastAPI server for a worker.

**Args:**
- `worker`: the worker whose health we will check
- `log_level`: the log level to use for the server

