GoodReads Summary: Experience first- and third-party tools such as Docker Compose, Docker Machine, Portainer, and Rancher Learn how to leverage Kubernetes, Amazon ECS, and Docker Swarm and know when each solution is appropriate Discover how Docker can be integrated into your daily workflows.
How does one "master" docker when there is not a single word about layers?
How does one "master" docker when you have "sudo apt update && sudo apt install -y git" with a description of "so it doesn't have to wait for one process to end to start the other"?
This is another book coming from a book farm where people write about things they don't know properly. This is another book coming from a book farm where reviewers seem picked in the basis of "does not know enough about the subject to not make a fuss so we can publish it as soon as possible".
If you want to learn about docker, stay away from this book. It will do more harm than good.