pipewire on alpine

install pipewire and pipewire-pulse

doas apk add pipewire wireplumber pipewire-pulse pipewire-alsa

add wayland(or xorg) runlevel

mkdir -p ~/.config/rc/runlevels/wayland/

add services in wayland runlevel

rc-update -U add pipewire wayland
rc-update -U add wireplumber wayland

add this in your wm's autostart

exec openrc -U wayland &