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docker基礎映象修改生成步驟

 

對 jdk1.8-python3.6.7:2.0 映象進行修改

 

1.進入映象所在的伺服器

 docker images |grep jdk1.8-python

 

2.啟動映象

  docker run -dit --name=jdkpython21 850baef5f62e /bin/bash

  說明:--name 容器名字

        -d: 後臺執行容器,並返回容器ID

         -i: 以互動模式執行容器,通常與 -t 同時使用;

         -t: 為容器重新分配一個偽輸入終端,通常與 -i 同時使用;

 

3.進入容器

  docker exec -it 2c9e2fcc826e /bin/bash

4.檢視python環境

  python3 --version

 

5.增加python的依賴:sklearn、statsmodels

  a.增加之前先檢視下是否安裝了這兩個依賴

    pip list

   

  b.安裝依賴

    pip3 install sklearn -i https://pypi.tuna.tsinghua.edu.cn/simple/

    pip3 install statsmodels -i https://pypi.tuna.tsinghua.edu.cn/simple/

 

6.檢視是否安裝成功

  pip list

 

7.退出容器

  exit

8.將容器製作成映象

  docker commit 2c9e2fcc826e jdk1.8-python3.6.7:2.1

9.檢視映象

  docker images |grep python

 

10.映象成功,可以映象啟動驗證一下,Dockerfile檔案from就可以改成:FROM jdk1.8-python3.6.7:2.1

 

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