[Unit]
Description=Docker
Requires=network.target
After=multi-user.target

[Service]
Type=simple
EnvironmentFile=/etc/sysconfig/docker
ExecStart=/usr/bin/docker -d $DOCKER_OPTS
ExecStartPre=/usr/sbin/sysctl -p /etc/sysctl.d/200-docker.conf

[Install]
WantedBy=multi-user.target