Bash script to enable ssh on any alpine image from docker

alpine-ssh.sh

#!/bin/bash
echo "Type the new root Pasword: "

read pass

apk --update add openssh bash
sed -i s/#PermitRootLogin.*/PermitRootLogin\ yes/ /etc/ssh/sshd_config
echo "root:$pass" | chpasswd
sed -ie 's/#Port 22/Port 22/g' /etc/ssh/sshd_config
echo "Generating new SSH key file"
/usr/bin/ssh-keygen -A
ssh-keygen -t rsa -b 4096 -f  /etc/ssh/ssh_host_key
echo "export VISIBLE=now" >> /etc/profile
/usr/sbin/sshd -D &

echo "done"

# Then run the container exposing port 22
# > docker run -d -p 2222:22
# And finally connect to the container from host
# > ssh root@localhost -p 2222