[Unit]
Description=Easily create lightweight, portable, self-sufficient containers from any application!
Requires=network.target
After=multi-user.target

[Service]
Type=simple
EnvironmentFile=-/etc/default/docker
ExecStartPre=/bin/mount --make-rprivate /
ExecStart=/usr/bin/docker -d ${DOCKER_OPTS}

[Install]
WantedBy=multi-user.target