> ## Documentation Index
> Fetch the complete documentation index at: https://docs.base44.com/llms.txt
> Use this file to discover all available pages before exploring further.

# dev

> Start a local development server

Start a local development server that runs your project backend locally on your machine.

Learn more about local development, including setup and supported features, in the [Local development](/developers/backend/overview/local-dev/local-development-overview) guide.

## Usage

```bash theme={null}
base44 dev
```

## Flags

| Flag                  | Description                                          |
| --------------------- | ---------------------------------------------------- |
| `-p, --port <number>` | Port for the development server. Defaults to `4400`. |

## See also

* [Local development](/developers/backend/overview/local-dev/local-development-overview): Setup and supported features
* [`deploy`](/developers/references/cli/commands/deploy): Deploy all project resources to Base44