Have you ever heard of shipping containers? They’re these big metal boxes that are used to transport goods all around the world. (See the pic above)

Docker is kind of like a shipping container but for software!

Let’s understand Docker 🐋 with an example . . .

Imagine that you have a lot of toys, clothes, books and other stuff that you want to send to your friend who lives in another city, state or country.

Instead of sending them one by one, you can put them all in a big container and send them to your friend like a delivery. This way, everything is together in one place and it’s easier to keep track of everything.

Now let’s understand the problem with the software . . .

See, when people make software or apps, they usually write them to run on a specific type of computer system.

For example, a developer builds an App on Windows 11.

But what if someone else wants to use that app on a different type of system, say MacOS or Linux?

They would have to go through a bunch of trouble to get everything set up just right to run the app.

Docker comes to play!

Docker is like a shipping container for software or apps.

You can put all the different pieces of your application — like the code, the database, and any other things it needs to run — into a Docker container. Then, you can ship that container to other people who want to use your application.

Docker makes it easy to move your application around because everything it needs is already inside the container.

It’s like having a portable computer that you can send to other people, and they can run your application on their computer without having to worry about installing all the pieces themselves.

Conclusion

So, whether you’re a teenager or a college student looking to explore the world of software development or someone who’s been in the industry for years, it’s never too late to start learning about Docker and all the ways it can improve your work.

So go ahead, dive in, and see how Docker can help you achieve your goals!

PS: Although the explanation was done by ChatGPT, I just added images and a few lines to make this blog more presentable :)

References

• Docker Tutorials for Beginners (YouTube)

• docker.com (Official Website)

• udemy.com/course/docker-mastery (Udemy)