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[](https://discourse.linuxserver.io "post on our community forum.")
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Our images support multiple architectures such as `x86-64`, `arm64` and `armhf`. We utilise the docker manifest for multi-platform awareness. More information is available from docker [here](https://github.com/docker/distribution/blob/master/docs/spec/manifest-v2-2.md#manifest-list) and our announcement [here](https://blog.linuxserver.io/2019/02/21/the-lsio-pipeline-project/).
This image provides various versions that are available via tags. `latest` tag usually provides the latest stable version. Others are considered under development and caution must be exercised when using them.
Container images are configured using parameters passed at runtime (such as those above). These parameters are separated by a colon and indicate `<external>:<internal>` respectively. For example, `-p 8080:80` would expose port `80` from inside the container to be accessible from the host's IP on port `8080` outside the container.
For all of our images we provide the ability to override the default umask settings for services started within the containers using the optional `-e UMASK=022` setting.
Keep in mind umask is not chmod it subtracts from permissions based on it's value it does not add. Please read up [here](https://en.wikipedia.org/wiki/Umask) before asking for support.
When using volumes (`-v` flags) permissions issues can arise between the host OS and the container, we avoid this issue by allowing you to specify the user `PUID` and group `PGID`.
**Special Note**: Following our current folder structure will result in an inability to hardlink from your downloads to your movies folder because they are on seperate volumes. To support hardlinking, ensure that the movies and downloads data are on a single volume. For example, if you have `/mnt/storage/Movies` and `/mnt/storage/downloads/completed/Movies`, you would want something like `/mnt/storage:/media` for your volume. Then you can hardlink from `/media/downloads/completed` to `/media/Movies`.
Another item to keep in mind, is that within Radarr itself, you should map your download client folder to your radarr folder. Navigate to **Settings -> Download Client -> Advanced Settings -> Remote Path Mappings**. Add a new mapping, and set: the Host as the same entry of the Host in your download client (for example its IP address), the Remote Path as `/downloads/Movies` (relative to the internal container path), and Local Path as `/media/downloads/completed/Movies`, assuming you have folders to separate your downloaded data types.
[](https://mods.linuxserver.io/?mod=radarr "view available mods for this container.") [](https://mods.linuxserver.io/?mod=universal "view available universal mods.")
We publish various [Docker Mods](https://github.com/linuxserver/docker-mods) to enable additional functionality within the containers. The list of Mods available for this image (if any) as well as universal mods that can be applied to any one of our images can be accessed via the dynamic badges above.
Most of our images are static, versioned, and require an image update and container recreation to update the app inside. With some exceptions (ie. nextcloud, plex), we do not recommend or support updating apps inside the container. Please consult the [Application Setup](#application-setup) section above to see if it is recommended for the image.
Below are the instructions for updating containers:
* Update the image: `docker pull linuxserver/radarr`
* Stop the running container: `docker stop radarr`
* Delete the container: `docker rm radarr`
* Recreate a new container with the same docker run parameters as instructed above (if mapped correctly to a host folder, your `/config` folder and settings will be preserved)
* You can also remove the old dangling images: `docker image prune`
### Via Watchtower auto-updater (only use if you don't remember the original parameters)
**Note:** We do not endorse the use of Watchtower as a solution to automated updates of existing Docker containers. In fact we generally discourage automated updates. However, this is a useful tool for one-time manual updates of containers where you have forgotten the original parameters. In the long term, we highly recommend using [Docker Compose](https://docs.linuxserver.io/general/docker-compose).
* We recommend [Diun](https://crazymax.dev/diun/) for update notifications. Other tools that automatically update containers unattended are not recommended or supported.
