创建docker容器

```Plain Text sudo docker run -it centos:centos7 /bin/bash

![https://teamo-md.oss-cn-shanghai.aliyuncs.com/img/202108161142038.png](https://teamo-md.oss-cn-shanghai.aliyuncs.com/img/202108161142038.png)

## 替换yum源

Plain Text

备份原来的源

mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup

获取新的源

curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo

生成缓存

yum makecache

![https://teamo-md.oss-cn-shanghai.aliyuncs.com/img/202108161142604.png](https://teamo-md.oss-cn-shanghai.aliyuncs.com/img/202108161142604.png)

## 安装和配置python3和django服务

Plain Text yum install -y python3 python3-pip

![https://teamo-md.oss-cn-shanghai.aliyuncs.com/img/202108161142241.png](https://teamo-md.oss-cn-shanghai.aliyuncs.com/img/202108161142241.png)

![https://teamo-md.oss-cn-shanghai.aliyuncs.com/img/202108161143453.png](https://teamo-md.oss-cn-shanghai.aliyuncs.com/img/202108161143453.png)

Shell

安装django

pip3 install django

创建django项目

django-admin startproject djangotest

修改配置文件

vim djangotest/djangotest/settings.py    ALLOWED_HOSTS = ['*',]

![https://teamo-md.oss-cn-shanghai.aliyuncs.com/img/202108161143016.png](https://teamo-md.oss-cn-shanghai.aliyuncs.com/img/202108161143016.png)

## 编写启动脚本

Plain Text vi run.sh python3 /www/djangotest/manage.py runserver 0.0.0.0:8000 chmod +x run.sh

![https://teamo-md.oss-cn-shanghai.aliyuncs.com/img/202108161143040.png](https://teamo-md.oss-cn-shanghai.aliyuncs.com/img/202108161143040.png)

## 使用commit命令生成新镜像

Plain Text docker commit [OPTIONS] CONTAINER [REPOSITORY[:TAG]]

![https://teamo-md.oss-cn-shanghai.aliyuncs.com/img/202108161143466.png](https://teamo-md.oss-cn-shanghai.aliyuncs.com/img/202108161143466.png)

## 使用新镜像

Plain Text sudo docker run -p 10080:8000 -d centos:django sh /www/run.sh ```