1. Official Chinese document: docs.docker-cn.com/engine/inst…

  2. Make sure you are CentOS7 or later: cat /etc/redhat-release

  3. Yum install GCC

    1. Install GCC: yum -y install GCC
    2. Yum -y install gcc-C ++
    3. Verify the successful installation: GCC -v

  4. Uninstall the old version: yum remove docker docker-client docker-client-latest docker-common docker-latest docker-latest-logrotate docker-logrotate docker-engine

  5. Lvm2: yum install -y yum-utils device-mapper-persistent-data lvm2

  6. Set stable mirror warehouse:

    1. Website method: yum – config manager – add – repo download.docker.com/linux/cento…
    2. (recommended) ali cloud: yum – config – manager – add – repo mirrors.aliyun.com/docker-ce/l…
    3. Suggestion: use ali cloud method, because the official website is very slow, easy to report errors

  7. Update yum Package index: yum makecache Fast

  8. Yum -y install Docker CE

  9. Start docker: systemctl start docker

  10. Testing:

    1. Version: Docker version
    2. Hello-world: docker run hello-world

  11. Configuring mirror acceleration:

    1. mkdir -p /etc/docker
    2. vim  /etc/docker/daemon.json
    3. # registry {“registry “: [“https:// {mirror.aliyuncs.com”]} # registry {“registry “: [“https:// {own code}.mirror.aliyuncs.com”]}
    4. systemctl daemon-reload
    5. systemctl restart docker

  12. Uninstall:

    1. systemctl stop docker
    2. yum -y remove docker-ce
    3. rm -rf /var/lib/docker