部署Docker环境

Docker部署

在线安装

 安装命令
 curl -fsSL https://get.docker.com | bash -s docker --mirror Aliyun
 设置仓库源
    yum-config-manager 
    --add-repo 
    http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

离线安装

安装

安装包下载地址
https://download.docker.com/linux/centos/7/x86_64/stable/Packages/
可在相同机器上使用yumdownloader工具下载docker依赖与安装包
将docker离线安装包拷到对应目录，执行rpm进行安装
cd docker/
rpm -Uvh *.rpm --nodeps --force

systemctl start docker
docker info
systemctl stop docker

迁移目录

// 查看docker的目录，默认是/var/lib/docker
docker info | grep "Docker Root Dir"

systemctl stop docker
mkdir /data/docker
mv /var/lib/docker /data
ln -s /data/docker /var/lib/docker

systemctl restart docker

设置镜像加速

centos7系统
mkdir -p /etc/docker
tee /etc/docker/daemon.json <<-'EOF'
{
   "registry-mirrors": ["https://w0lcaceb.mirror.aliyuncs.com"]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker

Docker相关命令

参考菜鸟教程：https://www.runoob.com/docker/docker-container-usage.html