ubantu docker

docker.service

[Unit]
Description=Docker Application Container Engine
Documentation=https://docs.docker.com
BindsTo=containerd.service
After=network-online.target firewalld.service containerd.service
Wants=network-online.target
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 -H fd:// --containerd=/run/containerd/containerd.sock
ExecReload=/bin/kill -s HUP $MAINPID
TimeoutSec=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.
LimitNOFILE=infinity
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

[Install]
WantedBy=multi-user.target

containerd.service

[Unit]
Description=containerd container runtime
Documentation=https://containerd.io
After=network.target local-fs.target

[Service]
ExecStartPre=-/sbin/modprobe overlay
ExecStart=/usr/bin/containerd

Type=notify
Delegate=yes
KillMode=process
Restart=always
# 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
LimitNOFILE=1048576
# Comment TasksMax if your systemd version does not supports it.
# Only systemd 226 and above support this version.
TasksMax=infinity

[Install]
WantedBy=multi-user.target

limits.conf

*             soft    core            unlimited
*             hard    core            unlimited
*	      soft    nproc           1000000
*             hard    nproc           1000000
*             soft    nofile          1000000
*             hard    nofile          1000000
*             soft    memlock         32000
*             hard    memlock         32000
*             soft    msgqueue        8192000
*             hard    msgqueue        8192000

sysctl.conf

net.ipv4.ip_forward=1
vm.max_map_count=262144
kernel.pid_max=4194303
fs.file-max=1000000
net.ipv4.tcp_max_tw_buckets=6000
net.netfilter.nf_conntrack_max=2097152

net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
vm.swappiness=0

install docker

#!/bin/bash
DIR=`pwd`
PACKAGE_NAME="docker-19.03.15.tgz"
DOCKER_FILE=${DIR}/${PACKAGE_NAME}
centos_install_docker(){
  grep "Kernel" /etc/issue &> /dev/null
  if [ $? -eq 0 ];then
    /bin/echo  "当前系统是`cat /etc/redhat-release`,即将开始系统初始化、配置docker-compose与安装docker" && sleep 1
    systemctl stop firewalld && systemctl disable firewalld && echo "防火墙已关闭" && sleep 1
    systemctl stop NetworkManager && systemctl disable NetworkManager && echo "NetworkManager" && sleep 1
    sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/sysconfig/selinux && setenforce  0 && echo "selinux 已关闭" && sleep 1
    \cp ${DIR}/limits.conf /etc/security/limits.conf 
    \cp ${DIR}/sysctl.conf /etc/sysctl.conf

    /bin/tar xvf ${DOCKER_FILE}
    \cp docker/*  /usr/bin

    \cp containerd.service /lib/systemd/system/containerd.service
    \cp docker.service  /lib/systemd/system/docker.service
    \cp docker.socket /lib/systemd/system/docker.socket

    \cp ${DIR}/docker-compose-Linux-x86_64_1.24.1 /usr/bin/docker-compose
    
    groupadd docker && useradd docker -g docker
    id -u  magedu &> /dev/null
    if [ $? -ne 0 ];then
      useradd magedu
      usermod magedu -G docker
    fi
    systemctl  enable containerd.service && systemctl  restart containerd.service
    systemctl  enable docker.service && systemctl  restart docker.service
    systemctl  enable docker.socket && systemctl  restart docker.socket 
  fi
}

ubuntu_install_docker(){
  grep "Ubuntu" /etc/issue &> /dev/null
  if [ $? -eq 0 ];then
    /bin/echo  "当前系统是`cat /etc/issue`,即将开始系统初始化、配置docker-compose与安装docker" && sleep 1
    \cp ${DIR}/limits.conf /etc/security/limits.conf
    \cp ${DIR}/sysctl.conf /etc/sysctl.conf
    
    /bin/tar xvf ${DOCKER_FILE}
    \cp docker/*  /usr/bin 

    \cp containerd.service /lib/systemd/system/containerd.service
    \cp docker.service  /lib/systemd/system/docker.service
    \cp docker.socket /lib/systemd/system/docker.socket

    \cp ${DIR}/docker-compose-Linux-x86_64_1.24.1 /usr/bin/docker-compose
    ulimit  -n 1000000 
    /bin/su -c -  jack "ulimit -n 1000000"
    /bin/echo "docker 安装完成!" && sleep 1
    id -u  magedu &> /dev/null
    if [ $? -ne 0 ];then
      groupadd  -r magedu
      groupadd  -r docker
      useradd -r -m -g magedu magedu
      usermod magedu -G docker
    fi  
    systemctl  enable containerd.service && systemctl  restart containerd.service
    systemctl  enable docker.service && systemctl  restart docker.service
    systemctl  enable docker.socket && systemctl  restart docker.socket 
  fi
}

main(){
  centos_install_docker  
  ubuntu_install_docker
}

main