---
title: assembler serve
description: Serve the output of an assembler build on http://localhost:4000/ --path <string> : (optional) 
url: https://docs-v3-preview.elastic.dev/elastic/docs-builder/pull/2439/cli/assembler/assembler-serve
---

# assembler serve
Serve the output of an assembler build on `http://localhost:4000/`

## Usage

```
docs-builder assembler serve [options...] [-h|--help] [--version]
```


## Options

<definitions>
  <definition term="--port <int>">
    Port to serve the documentation. (Default:   4000)
  </definition>
</definitions>

`--path` `<string>`
: (optional)