Docker in Action, Second Edition

Part 1. Process isolation and environment-independent computing

Isolation is a core concept to so many computing patterns, resource management strategies, and general accounting practices that it is difficult to even begin compiling a list. Someone who learns how Linux containers provide isolation for running programs and how to use Docker to control that isolation can accomplish amazing feats of reuse, resource efficiency, and system simplification.

The most difficult part of learning how to apply containers is in translating the needs of the software you are trying to isolate. Different programs have different requirements. Web services are different from text editors, package managers, compilers, or databases. Containers for each of those ...