alpine chroot install

 https://mirrors.alpinelinux.org/

https://wiki.alpinelinux.org/wiki/Category:Installation

https://wiki.alpinelinux.org/wiki/Alpine_Linux_in_a_chroot

1. Download  and extract static apk

https://gitlab.alpinelinux.org/alpine/apk-tools/-/releases

download latest one for your arch

or goto 

https://dl-cdn.alpinelinux.org/alpine/latest-stable/main/x86_64/apk-tools-static-X.X-X.apk

https://pkgs.alpinelinux.org/package/edge/main/x86/apk-tools-static

tar -xzf apk-tools-static-*.apk

or

chmod +x apk.static    #allow execute permission

./apk.static    #to execute it 

2.format rootfs and mount to /mnt

https://battlepenguin.com/tech/alpine-linux-with-full-disk-encryption/

https://wejn.org/2021/01/alpinelinux-secure-boot-with-full-encryption/

https://wiki.alpinelinux.org/wiki/Root_on_ZFS_with_native_encryption

apk add fdisk 

fdisk -l

doas cfdisk sda or nvme0n1

create new partition let it be sdax 

mkfs.ext4 /dev/sdax

mount /dev/sdax /mnt

3.install 

find {mirror} from http://nl.alpinelinux.org/alpine/MIRRORS.txt

./apk.static -X ${mirror}/latest-stable/main -U --allow-untrusted -p ${chroot_dir} --initdb add alpine-base

example

./apk.static -X http://dl-cdn.alpinelinux.org/alpine/latest-stable/main -U --allow-untrusted -p /mnt --initdb add alpine-base 

./apk.static -X http://dl-cdn.alpinelinux.org/alpine/latest-stable/main -U --allow-untrusted -p /mnt --initdb add e2fsprogs dosfstools acct cfdisk 

my add linux-firmware-none linux-firmware-i915 linux-firmware-ath10k udev(wifi not working with default evdev) iwd resolvconf 

mount -o bind /dev /mnt/dev

cp -L /etc/resolv.conf /mnt/etc/ 

or opendns

echo -e 'nameserver 8.8.8.8\nnameserver 2620:0:ccc::2' > /mnt/etc/resolv.conf

chroot /mnt /bin/ash -l

setup-udev 

setup-alpine 

passwd 

xxxxxxx