build docker image sshd-mssh-copy-id

def build_docker_sshd(ctx):
    """
    build docker image sshd-mssh-copy-id
    """
    dinfo = DOCKER_SSHD_IMG
    ctx.run('docker rmi -f {0}'.format(dinfo['name']), warn=True)
    ctx.run('docker build -t {0} {1}'.format(dinfo['name'], dinfo['path']))