github.com/coreos/docker@v1.13.1/contrib/init/systemd/docker.service.rpm (about)

     1  [Unit]
     2  Description=Docker Application Container Engine
     3  Documentation=https://docs.docker.com
     4  After=network.target firewalld.service
     5  
     6  [Service]
     7  Type=notify
     8  # the default is not to use systemd for cgroups because the delegate issues still
     9  # exists and systemd currently does not support the cgroup feature set required
    10  # for containers run by docker
    11  ExecStart=/usr/bin/dockerd
    12  ExecReload=/bin/kill -s HUP $MAINPID
    13  # Having non-zero Limit*s causes performance problems due to accounting overhead
    14  # in the kernel. We recommend using cgroups to do container-local accounting.
    15  LimitNOFILE=infinity
    16  LimitNPROC=infinity
    17  LimitCORE=infinity
    18  # Uncomment TasksMax if your systemd version supports it.
    19  # Only systemd 226 and above support this version.
    20  #TasksMax=infinity
    21  TimeoutStartSec=0
    22  # set delegate yes so that systemd does not reset the cgroups of docker containers
    23  Delegate=yes
    24  # kill only the docker process, not all processes in the cgroup
    25  KillMode=process
    26  
    27  [Install]
    28  WantedBy=multi-user.target