Initial Setup:

docker build -t IMAGE_NAME .
docker run -d --name CONTAINER_NAME -p 6229:6229 -v /var/run/docker.sock:/var/run/docker.sock --restart unless-stopped IMAGE_NAME

You (can | must for first run) also add your pub keys with this,

    cat .pub | docker exec -i CONTAINER_NAME /bin/bash -c "cat >> /root/.ssh/authorized_keys"

Login to the container via SSH

    ssh -i PRIVATE -p 6229 root@HOST

View current authorized PUB keys

    docker exec -i ssh-srv /bin/bash -c "cat /root/.ssh/authorized_keys"

docker stop CONTAINER_ID

docker start CONTAINER_ID

you can also start a container with --rm so that it will be automatically removed when the container stops.

Thank to