安装docker

以Ubuntu 18.04.2 LTS为例

安装依赖的工具

sudo apt-get update
sudo apt-get -y install \
    apt-transport-https \
    ca-certificates \
    curl \
    software-properties-common

GPG证书

curl -fsSL http://mirrors.aliyun.com/docker-ce/linux/ubuntu/gpg | sudo apt-key add -

写入软件源

# Ubuntu 18.04 以下
# sudo add-apt-repository "deb [arch=amd64] http://mirrors.aliyun.com/docker-ce/linux/ubuntu $(lsb_release -cs) stable"

# Ubuntu 18.04 及以上
sudo add-apt-repository "deb [arch=amd64] http://mirrors.aliyun.com/docker-ce/linux/ubuntu artful stable"

安装

sudo apt-get -y update && sudo apt-get -y install docker-ce

配置仓库镜像

sudo vim /etc/docker/daemon.json

{
  "registry-mirrors": ["https://registry.docker-cn.com", "https://aih1ikpl.mirror.aliyuncs.com"],
  "insecure-registries" : ["my-registry:5000"],
  "iptables": false
}

sudo systemctl daemon-realod
sudo systemctl restart docker.service

非root用户加入用户组

# sudo groupadd docker
sudo usermod -aG docker $USER

安装docker-compose (可选)

sudo curl -L "https://github.com/docker/compose/releases/download/1.23.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
sudo chmod +x /usr/local/bin/docker-compose