| [Unit] |
| Description=Docker Application Container Engine |
| Documentation=https://docs.docker.com |
| #BindsTo=containerd.service |
| After=network-online.target firewalld.service |
| Wants=network-online.target |
| Requires=docker.socket |
| |
| [Service] |
| Type=notify |
| # the default is not to use systemd for cgroups because the delegate issues still |
| # exists and systemd currently does not support the cgroup feature set required |
| # for containers run by docker |
| EnvironmentFile=-/etc/default/docker |
| ExecStart=/usr/bin/dockerd -H fd:// $DOCKER_OPTS |
| ExecReload=/bin/kill -s HUP $MAINPID |
| TimeoutSec=0 |
| RestartSec=2 |
| Restart=always |
| |
| # Note that StartLimit* options were moved from "Service" to "Unit" in systemd 229. |
| # Both the old, and new location are accepted by systemd 229 and up, so using the old location |
| # to make them work for either version of systemd. |
| StartLimitBurst=3 |
| |
| # Note that StartLimitInterval was renamed to StartLimitIntervalSec in systemd 230. |
| # Both the old, and new name are accepted by systemd 230 and up, so using the old name to make |
| # this option work for either version of systemd. |
| StartLimitInterval=60s |
| |
| # 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 |
| |
| # Comment TasksMax if your systemd version does not supports it. |
| # Only systemd 226 and above support this option. |
| TasksMax=infinity |
| |
| # set delegate yes so that systemd does not reset the cgroups of docker containers |
| Delegate=yes |
| |
| # kill only the docker process, not all processes in the cgroup |
| KillMode=process |
| |
| [Install] |
| WantedBy=multi-user.target |
| |