Simulate an instalation using chroot on an Qemu machine
See this Qemu script to start an virtual machine on windows 10 with one disk to boot, 4 disks to simulate an RAID and 1 usbdisk, and 2 nic devices
Start Alpine from iso file and setup to save config into usbdisk
Hint: first user is root with no password
OBS: Do not setup disks yet
echo -e "/dev/sdf1\t/media/usb\tvfat\trw\t0\t0" > /etc/fstab