docker
docker install For Centos7
yum remove docker*
yum install -y yum-utils device-mapper-persistent-data lvm2
yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
yum makecache fast
yum -y install docker-ce
systemctl enable docker && systemctl start docker
docker run hello-world
docker run hello-world
docker run
docker images
docker pull centos
docker run --name centos1 -itd -v /opt:/opt:rw -p 80:80 centos
docker manager
# login container
docker attach centos1
# logout container
ctrl+p ctrl+q
docker local repo
docker pull registry
docker run --name localrepo -p 5000:5000 registry
docker tag centos 127.0.0.1:5000/justin/centos:v1
docker push 127.0.0.1:5000/justin/centos:v1
分享题目：docker入门24小时
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