Ubuntu Docker 安装及使用
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# Ubuntu Docker 安装及使用
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- [安装](#安装)
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- [创建镜像](#通过dockerfile文件创建镜像)
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- [通过dockerfile文件创建镜像](#通过dockerfile文件创建镜像)
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- [使用官网镜像](使用官网镜像)
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- [常用命令](#常用命令)
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- [查看镜像列表](#查看镜像列表)
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- [删除镜像](#删除镜像)
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- [创建容器](#创建容器)
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- [查看所有容器](#查看所有容器)
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- [删除容器](#删除容器)
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- [启动容器](#启动容器)
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- [连接容器](#连接容器)
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## 安装
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##### 直接使用官方安装脚本自动安装即可
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```
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curl -fsSL https://get.docker.com | bash -s docker --mirror Aliyun
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```
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##### 测试一下docker是否安装成功
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```
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sudo docker help
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```
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##### 为 hehaoyang 用户添加权限
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```
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sudo usermod -aG docker hehaoyang
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sudo reboot
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```
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## 创建镜像
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### 通过dockerfile文件创建镜像
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##### 创建dockerfile文件
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```
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mkdir docker && cd docker
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vim dockerfile
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```
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* **dockerfile 文件内容**
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```
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FROM ubuntu:18.04
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MAINTAINER hehaoyang "1109196436@qq.com"
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RUN cp -a /etc/apt/sources.list /etc/apt/sources.list.bak
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RUN sed -i 's@http://.*ubuntu.com@http://repo.huaweicloud.com@g' /etc/apt/sources.list
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RUN apt update
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RUN apt install -y build-essential crossbuild-essential-arm64 \
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bash-completion vim sudo locales time rsync bc python
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RUN apt update && apt install -y -f
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# language support
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RUN locale-gen en_US.UTF-8
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ENV LANG en_US.UTF-8
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# switch to a no-root user
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RUN useradd -m -d /home/hehaoyang -s /bin/bash hehaoyang
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RUN sed -i -e '/\%sudo/ c \%sudo ALL=(ALL) NOPASSWD: ALL' /etc/sudoers
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RUN usermod -a -G sudo hehaoyang
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USER hehaoyang
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WORKDIR /home/hehaoyang
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```
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##### 创建镜像
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```
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docker build -t sdkcompiler .
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# sdkcompiler 是镜像名称,可随意更改,注意命令最后有一个’.’
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```
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##### 使用官网镜像
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```
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docker pull ubuntu:18.04
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```
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## 常用命令
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##### 查看镜像列表
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```
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docker images
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```
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##### 删除镜像
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```
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docker rmi ubuntu:18.04
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```
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##### 创建容器
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```
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# --privileged 使用该参数, 容器能够获取到主机的完整权限
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# --name 设置容器名
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# --mount type=bind,source=/root/target,target=/app # source= 填 SDK 所在目录;target= 填容器内的一个目录,必须是空目录
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# ubuntu 是上一步的镜像名
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docker run --privileged --mount type=bind,source=/home/hehaoyang/works/gogs,target=/home/hehaoyang/workspace --name="gogs" -d -i -t -p 3000:3000 ubuntu_18_04
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```
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##### 查看所有容器
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```
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docker ps -a
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```
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##### 删除容器
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```
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docker rm -f gogs
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```
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##### 启动容器
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```
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docker start gogs
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```
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##### 连接容器
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```
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docker attach gogs
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```
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