2018-08-14 16:30:22 -04:00
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[Unit]
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Description=Docker Application Container Engine
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Documentation=https://docs.docker.com
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2018-08-20 17:13:52 -04:00
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BindsTo=containerd.service
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After=network-online.target firewalld.service
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Wants=network-online.target
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2018-08-14 16:30:22 -04:00
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[Service]
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# Install containerd-shim-process if it's not already installed
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2018-08-15 19:13:21 -04:00
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ExecStartPre=/usr/libexec/containerd-offline-installer /var/lib/containerd-offline-installer/containerd-shim-process.tar docker.io/docker/containerd-shim-process
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2018-08-31 06:53:49 -04:00
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# the default is not to use systemd for cgroups because the delegate issues still
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# exists and systemd currently does not support the cgroup feature set required
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# for containers run by docker
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2018-08-14 16:30:22 -04:00
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ExecStart=/usr/bin/dockerd
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2018-08-28 13:51:21 -04:00
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ExecStopPost=/usr/bin/dockerd post-stop
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2018-08-16 00:03:40 -04:00
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TimeoutSec=0
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2018-08-24 18:40:02 -04:00
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RestartSec=2
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2018-08-14 21:42:10 -04:00
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Restart=always
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# On RPM Based distributions PATH isn't defined so we define it here
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# /opt/containerd/bin is in front so dockerd grabs the correct runc binary
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Environment="PATH=/opt/containerd/bin:/sbin:/usr/bin:/usr/local/bin:$PATH"
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2018-08-14 16:30:22 -04:00
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2018-08-31 06:45:07 -04:00
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# Having non-zero Limit*s causes performance problems due to accounting overhead
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# in the kernel. We recommend using cgroups to do container-local accounting.
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LimitNOFILE=infinity
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LimitNPROC=infinity
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2018-08-31 06:43:32 -04:00
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LimitCORE=infinity
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2018-08-31 06:50:05 -04:00
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# Comment TasksMax if your systemd version does not supports it.
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# Only systemd 226 and above support this option.
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TasksMax=infinity
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2018-08-31 06:53:49 -04:00
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# set delegate yes so that systemd does not reset the cgroups of docker containers
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Delegate=yes
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2018-08-14 16:30:22 -04:00
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[Install]
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WantedBy=multi-user.target
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