Docker的安装
yum update
yum install -y yum-utils device-mapper-persistent-data lvm2
yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
yum install -y docker-ce
docker -v
Docker 私有仓库
一、私有仓库搭建
docker pull registry
docker run -id --name=registry -p 5000:5000 registry

vim /etc/docker/daemon.json

{"insecure-registries":["私有仓库服务器ip:5000"]}
systemctl restart docker
docker start registry
二、将镜像上传至私有仓库
docker tag centos:7 私有仓库服务器IP:5000/centos:7

docker push 私有仓库服务器IP:5000/centos:7

三、 从私有仓库拉取镜像
docker pull 私有仓库服务器ip:5000/centos:7