Containerization has revolutionized the way we develop, ship, and run applications. At its simplest, a container is a "box" where your application and all its necessary files are packed together, ensuring it works exactly the same on any machine.

What Exactly is Containerization?

It is an OS-level virtualization method used to bundle an application and all its requirements—such as code, runtime, system tools, libraries, and settings—into a single, lightweight package.

It is called a "container" because it mirrors the logic of shipping containers: it doesn't matter what is inside; it is designed to be easily moved and operated in any environment, whether it's a laptop, a data center, or the cloud.

Why is it Better than Virtual Machines (VMs)?

Resource Efficient: Unlike VMs, containers do not carry a separate Operating System.…