What is containerization?

Containerization is a software development practice that involves packaging an application and required dependencies into a self-contained unit called a container. A container is an isolated and lightweight runtime environment that provides a consistent and reproducible way to run an application across different computing environments.

Let’s say you have developed a web application using the Flask framework on your local machine running on MacOS. You want to deploy this application to a server running Ubuntu Linux in a production environment. However, there may be differences in the versions of the operating system, dependencies, or other system configurations that could affect the behavior of your application.

By packaging your Flask application and all the required dependencies into a container, you can ensure that the application runs consistently and reliably across different computing environments. The container will provide an isolated and...