docker及compose安装脚本

新建脚本文件vi docker-download.sh
将以下命令放进去启动即可 ./docker-download.sh
docker镜像加速仓库申请地址：https://help.aliyun.com/document_detail/60750.html

#!/bin/bash

# 卸载旧版本
yum remove -y docker 
docker-client 
docker-client-latest 
docker-ce-cli 
docker-common 
docker-latest 
docker-latest-logrotate 
docker-logrotate 
docker-selinux 
docker-engine-selinux 
docker-engine

# 设置 yum repository
yum install -y yum-utils 
device-mapper-persistent-data 
lvm2
yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

# 安装并启动 docker
yum install -y docker-ce-19.03.11 docker-ce-cli-19.03.11 containerd.io-1.2.13

mkdir /etc/docker || true

#添加了log日志的大小及数量限制，防止日志过大占用资源
#registry-mirrors 为镜像加速，可通过上面阿里申请
#当拥有私有docker镜像仓库(http)时，请自行添加配置"insecure-registries":["ip:post"]
{
  "registry-mirrors": ["https://uyah70su.mirror.aliyuncs.com"],
  "exec-opts": ["native.cgroupdriver=systemd"],
  "log-driver": "json-file",
  "log-opts": {
    "max-size": "100m",
    "max-file":"3"
  },
  "storage-driver": "overlay2",
  "storage-opts": [
    "overlay2.override_kernel_check=true"
  ]
}
EOF

mkdir -p /etc/systemd/system/docker.service.d

# Restart Docker
systemctl daemon-reload
systemctl enable docker
systemctl restart docker

# 关闭 防火墙`在这里插入代码片`
systemctl stop firewalld
systemctl disable firewalld

# 关闭 SeLinux
setenforce 0
sed -i "s/SELINUX=enforcing/SELINUX=disabled/g" /etc/selinux/config

# 关闭 swap
swapoff -a
yes | cp /etc/fstab /etc/fstab_bak
cat /etc/fstab_bak |grep -v swap > /etc/fstab

# 重启 docker
systemctl daemon-reload
systemctl restart docker

#下载docker-compose
curl -L https://get.daocloud.io/docker/compose/releases/download/1.27.4/docker-compose-`uname -s`-`uname -m` > /usr/local/bin/docker-compose
chmod +x /usr/local/bin/docker-compose


docker version
docker-compose version