Created
January 19, 2017 12:09
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A good docker service file for systemctl config
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[Unit] | |
Description=Docker Application Container Engine | |
Documentation=https://docs.docker.com | |
After=network.target docker.socket firewalld.service | |
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 | |
ExecStartPre=/bin/sh -c ". /etc/default/docker && /bin/systemctl set-environment DOCKER_OPTS=\"$DOCKER_OPTS\"" | |
ExecStart= | |
ExecStart=/usr/bin/dockerd -H fd:// $DOCKER_OPTS | |
ExecReload=/bin/kill -s HUP $MAINPID | |
LimitNOFILE=1048576 | |
# Having non-zero Limit*s causes performance problems due to accounting overhead | |
# in the kernel. We recommend using cgroups to do container-local accounting. | |
LimitNPROC=infinity | |
LimitCORE=infinity | |
# Uncomment TasksMax if your systemd version supports it. | |
# Only systemd 226 and above support this version. | |
TasksMax=infinity | |
TimeoutStartSec=0 | |
# 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 |
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