Docker Engine & CLI

Learn how the Docker Engine works as a client-server system, with the CLI sending requests to the dockerd daemon that manages containers.

Learn Docker Engine fundamentals: verify daemon and CLI communication, run your first container, and understand rootless mode considerations.

Learn essential Docker CLI commands like build, run, exec, logs, inspect, push, and pull for managing containers.

Learn to use Docker contexts to switch between local, remote, and cloud builders. Understand endpoints, overrides, and how to manage multiple Docker engines.

Harden Docker Engine on build hosts and CI runners. Learn to pin versions, standardize configurations, and secure Docker with rootless mode.

A single-page roundup of every highlight bullet from the 7 pages in the Docker Engine & CLI section, grouped by source page so you can scan all 41 takeaways without opening each article individually.