docker环境安装，镜像和容器常用命令

   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 docker-ce

 systemctl start docker      

 docker search mysql

docker pull mysql:5.7

 docker images

  docker run -p 3306:3306 --name mysql -d mysql:5.7

  docker ps 

 docker ps -a

 docker stop containerName(containerId)

  docker kill containerName(containerId) 

 docker start containerName(container)

    docker inspect --format '{{ .NetworkSettings.IPAddress }}'  containerName(containerId)

docker container update --restart=always $ContainerName

  docker run -p 80:80 --name nginx \ -e TZ="Asia/Shanghai" \ -d nginx:1.17.0

  docker stats  -a

  docker exec -it $ContainerName /bin/bash

 docker network create -d bridge my-bridge-network

 docker info | grep "Docker Root Dir"

   systemctl stop docker

  mv /var/lib/docker /mydata/docker

   ln -s /mydata/docker /var/lib/docker