制作docker dj22-py37镜像

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docker run docker.io/python:3.7
[root@shen ~]# docker ps
CONTAINER ID        IMAGE                  COMMAND                  CREATED             STATUS              PORTS                              NAMES
39bf5ee37648        docker.io/python:3.7   "python3"                13 minutes ago      Up 12 minutes                                          youthful_boyd
[root@shen ~]# docker exec -it 39bf5ee37648 /bin/bash
root@39bf5ee37648:/# 
root@39bf5ee37648:/# 
root@39bf5ee37648:/# apt-get update

启动docker制作的服务之前，要在容器中通过命令行启动测试，可以正常启动后在通过docker启动：

[root@shen data_dict]# docker run -it data_dict-v0.91 /bin/bash
root@475c2f842476:/code# 
root@475c2f842476:/code# 
root@475c2f842476:/code# python3 manage.py runserver 0.0.0.0:8034
Performing system checks...

/code/extra
System check identified no issues (0 silenced).
November 18, 2019 - 09:19:31
Django version 2.2.3, using settings 'data_dict.settings'
Starting development server at http://0.0.0.0:8034/
Quit the server with CONTROL-C.

[root@shen data_dict]# docker run -d -p 8034:8034 data_dict-v0.91
2a4015c28ff271022782c44f385739471e7ab4514779a3154a833f9784237808
[root@shen data_dict]#