# Docker笔记-安装配置


## dcoker Install

### ubuntu

[安装文档](https://docs.docker.com/get-docker/)

#### Uninstall old versions
`sudo apt-get remove docker docker-engine docker.io containerd runc`
#### Install using the repository
```
sudo apt-get update

sudo apt-get install \
    apt-transport-https \
    ca-certificates \
    curl \
    gnupg-agent \
    software-properties-common

curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -

sudo apt-key fingerprint 0EBFCD88

sudo add-apt-repository \
   "deb [arch=amd64] https://download.docker.com/linux/ubuntu \
   $(lsb_release -cs) \
   stable"
```

#### INSTALL DOCKER ENGINE
```
sudo apt-get update
sudo apt-get install docker-ce docker-ce-cli containerd.io
```
#### Verify
`sudo docker run hello-world`
#### 将登陆用户添加到docker用户组
```
sudo gpasswd -a $USER docker
newgrp docker
docker ps
```
### CentOS

#### Uninstall old versions
```
sudo yum remove docker \
                  docker-client \
                  docker-client-latest \
                  docker-common \
                  docker-latest \
                  docker-latest-logrotate \
                  docker-logrotate \
                  docker-engine
```
#### INSTALL DOCKER ENGINE
```
sudo yum install -y yum-utils
sudo yum-config-manager \
    --add-repo \
    https://download.docker.com/linux/centos/docker-ce.repo
sudo yum install docker-ce docker-ce-cli containerd.io
```
#### 将非root登陆用户添加到docker用户组
```
sudo gpasswd -a $USER docker
newgrp docker
docker ps
```

## 配置
### docker镜像加速

*/etc/docker/daemon.json（Linux）*
```
{
  "registry-mirrors": ["https://registry.docker-cn.com", "https://docker.mirrors.ustc.edu.cn"]
}
```
`sudo systemctl restart docker` 重启生效
### 增加到随机启动项
`systemctl enbale docker `

### 启动docker
`service docker start`

### docker GUI
1. kitematic
2. portainer 轻量级的Docker管理面板
```
docker pull portainer/portainer
```

```
docker run -p 9000:9000 -p 8000:8000 --name portainer \
--restart=always \
-v /var/run/docker.sock:/var/run/docker.sock \
-v /mydata/portainer/data:/data \
-d portainer/portainer
```

### 安装docker-compose
`pip3 install docker-compose`