Remote Unlocking Support
For encrypted rootfs, one would need to be at the physical computer to enter the password unless they have a way to enter the password over the network. I know of two repos that can do this: https://github.com/gsauthof/dracut-sshd/issues and https://github.com/dracut-crypt-ssh/dracut-crypt-ssh/
Note that there seems to be an effort for dracut-crypt-ssh to join forces with dracut-sshd (sounds like a good idea). I'm open to alternatives if you have one - but otherwise, I think alpine should package one of these for this functionality.
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information