Docker安装与搭建（Linux）

1. 系统版本：CentOS 7.3，内核：x86_64

uname -r

[root@localhost ~]# uname -r	
3.10.0-514.el7.x86_64

1. Yum 更新

sudo yum update

2. Docker依赖包安装

sudo yum install -y yum-utils device-mapper-persistent-data lvm2

创建或修改 /etc/docker/daemon.json 文件，修改为如下形式

{
    "registry-mirrors": [
        "http://hub-mirror.c.163.com",
        "https://docker.mirrors.ustc.edu.cn",
        "https://registry.docker-cn.com"
    ]
}

加载重启docker

service docker restart

#下载
curl -L https://get.daocloud.io/docker/compose/releases/download/1.26.2/docker-compose-`uname -s`-`uname -m` > /usr/local/bin/docker-compose

# 设置文件可执行权限 
chmod +x /usr/local/bin/docker-compose

在任意目录下输入docker-compose

# 出现如下情况，证明安装完毕
Define and run multi-container applications with Docker.

Usage:
  docker-compose [-f ...] [options] [COMMAND] [ARGS...]
  docker-compose -h|--help

Options:
  -f, --file FILE             Specify an alternate compose file (default: docker-compose.yml)
  -p, --project-name NAME     Specify an alternate project name (default: directory name)
  --verbose                   Show more output
  --no-ansi                   Do not print ANSI control characters
  -v, --version               Print version and exit
  -H, --host HOST             Daemon socket to connect to