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Gain insights into Docker with Nigel Poulton. Learn about container basics, image creation, and application containerization, and demystify jargon to proficiently deploy Docker in real-world scenarios.

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Containers have revolutionized the IT world and it can be hard to know where to start. In this course, Docker Captain Nigel Poulton guides you through the basics all the way to proficiency.

You'll learn why we have containers and how they work. You’ll run through the basics like images, the Docker engine, and containers. With the basics out of the way, you'll then containerize an application and learn how to run it. Throughout the course, Nigel will demystify all the jargon and buzzwords. When you're done, you'll be ready to use Docker in the real world.

The Beginner’s Guide to Docker

We can delete images using the `docker rmi` command. `rmi` is short for remove image. Deleting images removes them from our local repository, and they will no longer appear in our `docker images` commands. The operation also deletes all directories on the local filesystem containing layer data. However, Docker won't delete layers shared by multiple images until we delete all images that reference them.



Deleting Images

About the Course

Containers From 30,000 Feet

Docker and Container-related Standards and Projects

The Big Picture

The Docker Engine

Working with Images

Working with Containers

Containerizing an Application

Conclusion

Appendix: Getting Docker

Deleting Images