[Unit]
Description=Docker Daemon
Documentation=http://docs.docker.com
Wants=network-online.target
After=network-online.target docker-containerd.service
Requires=docker-containerd.service

[Service]
Type=notify
EnvironmentFile=-/etc/default/docker
ExecStart=/usr/bin/docker daemon $DOCKER_OPTS \
          --containerd /run/containerd.sock
ExecReload=/bin/kill -HUP $MAINPID
KillMode=process
Restart=on-abnormal
LimitNOFILE=1048576
LimitNPROC=1048576
LimitCORE=infinity

[Install]
WantedBy=multi-user.target