Answer by Susobhan Das for How do I edit a file after I shell to a Docker container?

Working Solution #simplified

Need to install as root user, to update the linux as well as install application.

1. docker bash as root user

docker exec -u 0 -it app22-jenkins-1 bash

2. Update linux

apt update -y

3. Upgrade

apt upgrade -y

4. installvim

apt install vim -y