Ubuntu环境下Docker、Docker-compose的安装与使用，快速构建开发、学习环境。

配置软件源镜像（忽略）

# https://vuepress.mirror.docker-practice.com/install/ubuntu/
# https://mirrors.tuna.tsinghua.edu.cn/help/ubuntu/
# 查看ubuntu版本
$ cat /etc/os-release
# 备份并修改软件源镜像
$ cp -a /etc/apt/sources.list /etc/apt/sources.list.bak

更新软件源

$ apt-get update

新建用户

$ adduser renlm
$ passwd renlm

用户授权

$ whereis sudoers
$ ls -l /etc/sudoers
-r--r----- 1 root root 755 Feb  3  2020 /etc/sudoers

$ chmod -v u+w /etc/sudoers
mode of '/etc/sudoers' changed from 0440 (r--r-----) to 0640 (rw-r-----)

$ vi /etc/sudoers
# User privilege specification
root    ALL=(ALL:ALL) ALL
renlm   ALL=(ALL:ALL) ALL

[root@JD ~]# chmod -v u-w /etc/sudoers
mode of '/etc/sudoers' changed from 0640 (rw-r-----) to 0440 (r--r-----)

检查/etc/hosts

$ vi /etc/hosts

建立 docker 用户组

$ su - renlm
$ sudo groupadd docker

将当前用户加入 docker 组

$ sudo usermod -aG docker $USER

激活对组的更改

$ newgrp docker

使用脚本自动安装

$ curl -fsSL get.docker.com -o get-docker.sh
$ sudo sh get-docker.sh --mirror Aliyun

镜像加速器配置

	# 阿里云，获取加速地址并配置
	# https://cr.console.aliyun.com/cn-hangzhou/instances/mirrors
	$ sudo mkdir -p /etc/docker
	$ sudo tee /etc/docker/daemon.json <<-'EOF'
{
  "registry-mirrors": [ "https://***.mirror.aliyuncs.com" ],
  "log-driver": "json-file",
  "log-opts": { "max-size": "500m", "max-file": "3" }
}
EOF
	$ sudo systemctl daemon-reload
	$ sudo systemctl enable docker
	$ sudo systemctl restart docker

安装docker-compose

# 配置环境变量
$ export PATH=/home/renlm/.local/bin:$PATH
$ source ~/.bashrc
# 安装pip工具
# http://mirrors.aliyun.com/pypi/
$ sudo apt-get install -y python3-pip
$ pip3 -V
$ pip3 install --user -U requests urllib3 -i https://mirrors.aliyun.com/pypi/simple
$ pip3 install --user docker-compose -i https://mirrors.aliyun.com/pypi/simple
$ docker-compose --version

镜像库

https://hub.docker.com/u/library