1. First into the container

docker exec -it bash

2. Enter the apt get configuration directory

cd /etc/apt

3. Execute the backup command

cp sources.list sources.list.bak

4. View version

cat /etc/os-release

5. Select the source of the corresponding version, execute all the following echo commands, and modify it to a domestic image source [163 Image: https://mirrors.163.com/.help/debian.html 】

 echo "">sources.list echo "deb  http://mirrors.163.com/debian/  buster main non-free contrib">>sources.list echo "deb  http://mirrors.163.com/debian/  buster-updates main non-free contrib">>sources.list echo "deb  http://mirrors.163.com/debian/  buster-backports main non-free contrib">>sources.list echo "deb-src  http://mirrors.163.com/debian/  buster main non-free contrib">>sources.list echo "deb-src  http://mirrors.163.com/debian/  buster-updates main non-free contrib">>sources.list echo "deb-src  http://mirrors.163.com/debian/  buster-backports main non-free contrib">>sources.list echo "deb  http://mirrors.163.com/debian-security/  buster/updates main non-free contrib">>sources.list echo "deb-src  http://mirrors.163.com/debian-security/  buster/updates main non-free contrib">>sources.list

6. Check whether the file is modified successfully

cat sources.list

7. Update apt get

apt-get update

8. Installation vim

apt-get install vim