---
title: Introduction
---
# Consul UI Engineering Docs

Welcome to Consul UIs engineering documentation.

## Environment Variables

There are various environment variable you can use whilst running `make start` or `make test` to configure various features:

| Variable | Default Value | Description |
| -------- | ------------- | ----------- |
| `TESTEM_AUTOLAUNCH` | Chrome | Controls which browser to open tests in. A setting of `""` means 'let me manually open the browser' |
| `EMBER_TEST_REPORT` |  | Output a test report |
| `CONSUL_DOCFY_CONFIG` |  | Define an additional `docfy-config.json` file to use |

## Adding documentation

Our documentation use [docfy](https://docfy.dev/docs) for rendering our markdown+glimmer-component documentation. In order to live render any code examples use the `preview-template` meta, for example:

~~~md
```hbs preview-template
<YourComponent
  @thing={{var}}
/>
```
~~~

The above will render the same code snippet in a box above the snippet.

The location and name of markdown files within the project differs slightly depending on what you need to add documentation for:

- **docs**: `docs/filename.mdx`
- **components**: `components/your-component-name/README.mdx`
- **helpers**: `helpers/your-helper-name.mdx`
- **modifiers**: `modifiers/your-modifier-name.mdx`
- **services**: `services/your-service-name.mdx` (eventually these will partly use jsdoc code style generation)