centos7-Docker安装

docker 安装

yum remove docker docker-client docker-client-latest docker-common docker-latest docker-latest-logrotate docker-logrotate docker-engine
yum install -y yum-utils
yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
yum install docker-ce docker-ce-cli containerd.io
systemctl start docker
systemctl enable docker

docker-compose 安装

### 直接安装
curl -L https://github.com/docker/compose/releases/download/v2/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose

### 间接安装（网络问题，无法直接安装）
echo "https://github.com/docker/compose/releases/download/v2.12.0/docker-compose-$(uname -s)-$(uname -m)"

### 本地下载好，再上传
rz

### 安装
mv docker-compose-linux-x86_64 /usr/local/bin/docker-compose
chmod +x /usr/local/bin/docker-compose
docker-compose -v

其他

1. 查看容器的挂载目录

   docker inspect 6a11b0b8291a | grep Mounts -A 20

2. 阿里云 docker 镜像加速器

   https://cr.console.aliyun.com/cn-hangzhou/instances/mirrors
   
   
   # 配置
   mkdir -p /etc/docker
   tee /etc/docker/daemon.json <<-'EOF'
   {
     "registry-mirrors": ["https://am3rvw31.mirror.aliyuncs.com"]
   }
   EOF
   systemctl daemon-reload
   systemctl restart docker

3. 启动/关闭容器

   docker-composer up -d
   
   docker-composer down