[Unit] Description=Openstack Keystone Container After=docker.service Requires=docker.service [Service] TimeoutStartSec=0 Restart=always ExecStartPre=-/usr/bin/docker stop %n ExecStartPre=-/usr/bin/docker rm %n ExecStart=/usr/bin/docker run --name %n --add-host="mariadb:172.29.236.13" hpc/keystone [Install] WantedBy=multi-user.target