You asked for it in many a comment and here it is: Docker 101 (A).

In the realm of software development and deployment, Docker has emerged as a revolutionary force, offering a streamlined approach to creating, deploying, and running applications by using containers.

Are you tired of configuring, and reconfiguring, and configuring yet again your favorite server applications? I was, but Docker fixed that. Portability makes Docker one of my favorite homelab tools, ...