PW3 how to ssh to the chroot alpine linux ?

hi, how could i ssh to the chrooted alpine linux system ?
alpine linux on kindle is really cool, it could enable using the chromium, that mean it could much more for a e-ink reader, i installed the tasker join extenion for the chromium ,now i could send files&message&clipboard to my kindle anytime with quick response,but i think it could be more helpful to enable ssh