# Environment Variables

> Learn about environment variables in Directus Cloud.

You can configure your Directus project using a number of environment variable presets which can be configured in the Cloud dashboard.

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Directus Cloud Enterprise customers are able to customize a wider variety of environment variables. Enterprise customers should [contact support](https://directus.com/contact) for help with updating their environment variables.

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![Cloud dashboard project configuration screen showing a number of configurable settings such as CORS and maximum file upload size.](/img/363335e4-59bb-4233-bca5-94bb1f39f3fd.webp)

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Once you save these changes, your project will redeploy.

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## Available Configuration Options

While the Cloud dashboard provides configuration via a UI with some preset options, the options relate to the following environment variables:

### Files

- `FILES_MAX_UPLOAD_SIZE`

[Read more about Upload Limit environment variables.](/configuration/files)

### Security & Limits

- `PASSWORD_RESET_URL_ALLOW_LIST`
- `USER_INVITE_URL_ALLOW_LIST`
- `USER_REGISTER_URL_ALLOW_LIST`

[Read more about Security environment variables.](/configuration/security-limits)

### CORS

- `CORS_ENABLED`
- `CORS_ORIGIN`
- `CORS_METHODS`
- `CORS_ALLOWED_HEADERS`
- `CORS_EXPOSED_HEADERS`
- `CORS_CREDENTIALS`
- `CORS_MAX_AGE`

[Read more about CORS environment variables.](/configuration/security-limits)