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add some docs on how to allow the Nextcloud container to access directories on the host

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Signed-off-by: szaimen <szaimen@e.mail.de>
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szaimen 2022-02-21 18:05:49 +01:00
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@ -139,6 +139,9 @@ xhost +si:localuser:root && sudo nautilus /tmp/borg
sudo umount /tmp/borg
```
### How to allow the Nextcloud container to access directories on the host?
By default, the Nextcloud container is confined and cannot access directories on the host OS. You might want to change this when you are planning to use local external storage in Nextcloud to store some files outside the data directory and can do so by adding the environmental variable `NEXTCLOUD_MOUNT` to the initial startup of the mastercontainer. Allowed values for that variable are strings that are equal to or start with `/mnt/` or `/media/` or are equal to `/var/backups` and unequal to `/mnt/ncdata`. Two examples for this are: `-e NEXTCLOUD_MOUNT="/mnt/"` or `-e NEXTCLOUD_MOUNT="/media/"`. After doing so, please make sure to apply the correct permissions to the directories that you want to use in Nextcloud. E.g. `sudo chown -R 33:0 /mnt/your-drive-mountpoint` should make it work. You can then navigate to the apps management page, activate the external storage app, navigate to `https://your-nc-domain.com/settings/admin/externalstorages` and add a local external storage directory that will be accessible inside the container at the same place that you've entered. E.g. `/mnt/your-drive-mountpoint` will be mounted to `/mnt/your-drive-mountpoint` inside the container, etc.
### Huge docker logs
When your containers run for a few days without a restart, the container logs that you can view from the AIO interface can get really huge. You can limit the loge sizes by enabling logrotate for docker container logs. Feel free to enable this by following those instructions: https://sandro-keil.de/blog/logrotate-for-docker-container/