alpine-without-boot

setup-alpine
apk add parted e2fsprogs util-linux

parted -s /dev/vda mklabel msdos
parted -s /dev/vda mkpart primary 0% 100%
parted -s /dev/vda set 1 boot on
partprobe /dev/vda

mkfs.ext4 /dev/vda1
mount /dev/vda1 /mnt
mkdir /mnt/boot

setup-disk -m sys /mnt

extlinux --install /mnt/boot
dd if=/usr/share/syslinux/mbr.bin of=/dev/vda bs=440 count=1

cat /mnt/etc/fstab
umount /mnt
reboot