Update backup.rst

[rickysixx]

Mention custom_apps directory.

☑️ Resolves

Custom apps too should be retained when fully backing up a Nextcloud instance.

[joshtrichards]

Hi @rickysixx - First, thank you for the contribution!

Is there a specific situation you ran into that lead you to making this change?

In theory, apps in alternative apps_paths should be handled the same way as any other app.

[rickysixx]

Hi @joshtrichards!

Yes. In these days I have been experimenting different strategies to backup my Nextcloud instance.

First I performed a backup following the steps in that documentation page, but when I restored that backup I noticed that there were no apps in my restored Nextcloud instance (which was strange, because in my original instance I use Calendar and Task apps for example) even though I have not changed the default app installation path.

So I digged and I have found that the /var/www/html/custom_apps directory should be backed up too, if there are apps installed.

I thought about making this pull request because I felt the documentation was missing this little thing :)

[github-actions]

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[skjnldsv]

I'm ok with that, I think it make sense if you want to be able to restore specific versions without internet connection. Especially helpful for offline backups etc etc.

[welcome]

Thanks for your first pull request and welcome to the community! Feel free to keep them coming! If you are looking for issues to tackle then have a look at this selection: https://github.com/nextcloud/documentation/issues?q=is%3Aopen+is%3Aissue+label%3A%22good+first+issue%22

[skjnldsv]

/backport to stable33 please

[skjnldsv]

/backport to stable32 please