Docker安装以及常用命令

Docker安装

以CentOS 7为例

https://docs.docker.com/engine/install/centos/

SET UP THE REPOSITORY

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

INSTALL DOCKER ENGINE

yum install docker-ce docker-ce-cli containerd.io

Start Docker

systemctl start docker
docker run hello-world
docker -v

设置docker开机启动

systemctl enable docker

Docker阿里云官方镜像加速设置

https://help.aliyun.com/document_detail/60750.html?spm=a2c4g.11186623.6.550.636442c7YVHtba

sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{
  "registry-mirrors": ["https://zs77k037.mirror.aliyuncs.com"]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker

Docker镜像处理

查询

https://hub.docker.com/search?q=&type=image

下载MySQL镜像

docker pull mysql:5.7

查看镜像

docker images

Docker启动

创建容器并启动MySQL

docker run -p 13333:3306 --name mysql \
-v /mydata/mysql/log:/var/log/mysql \
-v /mydata/mysql/data:/var/lib/mysql \
-v /mydata/mysql/conf:/etc/mysql \
-e MYSQL_ROOT_PASSWORD=xxx \
-d mysql:5.7

查看Docker正在运行的容器

docker ps

交互模式进入Docker容器

docker exec -it mysql /bin/bash

Docker容器操作

从镜像启动容器

docker run

查看容器

docker ps
docker ps -a

停止容器

docker stop

重启容器

docker restart

启动容器

docker start

删除容器

docker rm

容器开机自启动

docker update redis --restart=always