# Preparation

There are some things we need to do in preparation to install this service.

## Volumes

<details id="bkmrk-media-folders-radarr"><summary>Persistent Data</summary>

This is where the service will store its own application data and ensures we can quickly update the service image.

<p class="callout warning">Ensure your user has permissions to access the folder.</p>

</details><details id="bkmrk-docker-socket-this-p"><summary>Docker Socket</summary>

This provides the service with access to the [Docker socket](https://docs.docker.com/reference/cli/dockerd/#examples), allowing it to see and control other Docker containers.</details>