[Unit] Description=Docker Application Container Engine Documentation=http://docs.docker.com After=network.target containerd.socket containerd.service lvm2-monitor.service SuSEfirewall2.service Requires=containerd.socket containerd.service [Service] EnvironmentFile=/etc/sysconfig/docker # While Docker has support for socket activation (-H fd://), this is not # enabled by default because enabling socket activation means that on boot your # containers won't start until someone tries to administer the Docker daemon. Type=simple ExecStart=/usr/bin/dockerd --containerd /run/containerd/containerd.sock --add-runtime oci=/usr/sbin/docker-runc $DOCKER_NETWORK_OPTIONS $DOCKER_OPTS ExecReload=/bin/kill -s HUP $MAINPID # Having non-zero Limit*s causes performance problems due to accounting overhead # in the kernel. We recommend using cgroups to do container-local accounting. LimitNOFILE=infinity LimitNPROC=infinity LimitCORE=infinity # Uncomment TasksMax if your systemd version supports it. # Only systemd 226 and above support this property. TasksMax=infinity # Set delegate yes so that systemd does not reset the cgroups of docker containers # Only systemd 218 and above support this property. Delegate=yes # This is not necessary because of how we set up containerd. #KillMode=process [Install] WantedBy=multi-user.target