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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

In the previous lesson, we created a container running a web app. But how did the container know which app to start and how to start it?

# Different ways to start an app in a container
There are three ways we can tell Docker how to start an app in a container:

1. An `Entrypoint` instruction in the image
2. A `Cmd` instruction in the image
3. A CLI argument



Learn about starting an app in a Docker container using Entrypoint, Cmd instructions, or CLI arguments.

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

Start Apps Using Container

Different ways to start an app in a container