github.com/alibaba/sealer@v0.8.6-0.20220430115802-37a2bdaa8173/pkg/filesystem/rootfs/docker/etc/docker.service (about)

     1  [Unit]
     2  Description=Docker Application Container Engine
     3  Documentation=https://docs.docker.com
     4  After=network.target
     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  ExecStartPost=/usr/sbin/iptables -P FORWARD ACCEPT
    13  ExecReload=/bin/kill -s HUP $MAINPID
    14  # Having non-zero Limit*s causes performance problems due to accounting overhead
    15  # in the kernel. We recommend using cgroups to do container-local accounting.
    16  LimitNOFILE=infinity
    17  LimitNPROC=infinity
    18  LimitCORE=infinity
    19  # Uncomment TasksMax if your systemd version supports it.
    20  # Only systemd 226 and above support this version.
    21  #TasksMax=infinity
    22  TimeoutStartSec=0
    23  # set delegate yes so that systemd does not reset the cgroups of docker containers
    24  Delegate=yes
    25  # kill only the docker process, not all processes in the cgroup
    26  KillMode=process
    27  
    28  [Install]
    29  WantedBy=multi-user.target