Build Container Images Like a Pro
Skill Path ( EasyMedium )

Building container images can be both an easy and a hard problem. Building just an image is usually as straightforward as replicating your local app build steps in a Dockerfile's RUN instructions. Building a small, maintainable, and secure image, on the other hand, may involve lots of considerations, elaborate techniques, and domain knowledge.

Container image composition and the main factors that affect it.

This learning path will take you from creating and pushing your very first container image, to analyzing the contents of the image, to picking an optimal base, and learning how to spot and troubleshoot runtime problems caused by flawed image composition. All of this is packed with engaging diagrams and hands-on exercises.

Happy building!

Warming up: Docker Image Building 101

To get started, let's build and push your very first container image:

🧙‍♂️ You shall not pass!

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