# 源站下载地址 https://download.docker.com/linux/static/stable/x86_64/docker-28.1.1.tgz
# 国内镜像下载地址 https://mirrors.nju.edu.cn/docker-ce/linux/static/stable/x86_64/docker-28.1.1.tgz
tar -zxvf docker-28.1.1.tgz
mv docker/* /usr/bin/ -f
groupadd docker
cat << EOF > /usr/lib/systemd/system/docker.service
[Unit]
Description=Docker Application Container Engine
Documentation=https://docs.docker.com
After=network-online.target nss-lookup.target docker.socket firewalld.service containerd.service time-set.target
Wants=network-online.target containerd.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
ExecStart=/usr/bin/dockerd
ExecReload=/bin/kill -s HUP \$MAINPID
TimeoutStartSec=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.
LimitNPROC=infinity
LimitCORE=infinity
# Comment TasksMax if your systemd version does not support 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
OOMScoreAdjust=-500
[Install]
WantedBy=multi-user.target
EOF
mkdir -p /etc/docker/
cat << EOF > /etc/docker/daemon.json
{
"hosts": ["unix:///var/run/docker.sock"],
"iptables": false,
"ipv6": false,
"experimental": true,
"data-root": "/data/docker/",
"log-driver": "json-file",
"log-opts": {
"max-size": "500m",
"max-file": "10"
}
}
EOF
mkdir -p /usr/lib/systemd/system/
cat << EOF > /usr/lib/systemd/system/docker.socket
[Unit]
Description=Docker Socket for the API
[Socket]
# If /var/run is not implemented as a symlink to /run, you may need to
# specify ListenStream=/var/run/docker.sock instead.
ListenStream=/run/docker.sock
SocketMode=0660
SocketUser=root
SocketGroup=docker
[Install]
WantedBy=sockets.target
EOF
systemctl daemon-reload
systemctl restart docker
systemctl enable docker
