04.Docker安装配置文档

1.参考文档

    https://docs.docker.com/engine/reference/commandline/dockerd/#options

2.基础环境 (服务器IP：172.17.0.51,52,53)

    a.系统版本        CentOS Linux release 7.6.1810 (Core)

    b.docker版本    Docker version 18.06.3-ce, build d7080c1

    c.修改主机名     hostnamectl --static set-hostname node51,修改 /etc/hosts

2.安装docker

    a. 添加docker yum 源

      yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo

    b. 查看版本列表

      yum list docker-ce --showduplicates | sort -r

   c. 安装docker   

      yum install -y docker-ce-18.06.3.ce-3.el7 

3.配置docker

    a.日志及仓库配置

      mkdir /etc/docker

      cat << EOF > /etc/docker/daemon.json

      {

          "insecure-registries": ["172.17.0.52:5000"],

          "log-driver": "json-file",

          "log-opts": {

              "max-size": "500m",

              "max-file": "4"

          }

      }

      EOF

    b.启动参数配置

        EnvironmentFile=/run/flannel/subnet.env

        ExecStart=/usr/bin/dockerd $DOCKER_NETWORK_OPTIONS

4.启动配置

    systemctl enable docker && systemctl daemon-reload && systemctl start docker