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Learn everything you need to know to run containers in the real world from Docker Captain Nigel Poulton.

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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

# Images and Containers

We can start multiple containers from a single image. The image is read-only in this relationship, but each container is read-write. As shown in the figure below, Docker accomplishes this by creating a thin read-write layer for each container and placing it on top of the shared image.



Learn how to make sure Docker is running before you proceed with containers. 

Check the Running Docker

Learn how to make sure Docker is running before you proceed with containers.

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

Check the Running Docker

Images and Containers