How to install Docker on Debian 11 Bullseye system

Docker is an open-source containerized application or platform that facilitate developers to create and run software applications in an isolated container environment. These Docker containers are separated from each other and contains their own software, bundle of OS libraries, and configuration files. The Docker containers can also communicate with each other using some specified channels. The key feature of using Docker is that it enables programmers and developers to easily pack, ship, and execute any application as a self-sufficient container, portable, and lightweight, which the user can access and virtually run from any location.