Docker SSH Server + public key authentication . login as a normal user

terminal-1.sh

user=www

mkdir data keys public

# copy public key to current dir, for safe.
cp ${HOME}/.ssh/id_rsa.pub public/

docker run -ti -p 2222:22 \
  -v $(pwd)/public/id_rsa.pub:/etc/authorized_keys/$(user) \
  -v $(pwd)/keys/:/etc/ssh/keys \
  -v $(pwd)/data/:/data/ \
  -e SSH_USERS="${user}:48:48" \
  --name my-ssh \
  docker.io/panubo/sshd:1.3.0

terminal-2.sh

user=www
docker exec my-ssh chown ${user}:${user} /etc/authorized_keys/${user}

ssh ${user}@localhost -p 2222 

# stop
docker stop my-ssh
docker remove my-ssh