Software Architecture for Developers

Simon Brown’s argument is that most software teams have given up on architecture diagrams because the diagrams they produce are unreadable, inconsistent, and out of date. The fix is not better tools; it is a shared notation that separates levels of abstraction. The book introduces the C4 model, a set of four nested diagrams (System Context, Container, Component, Code) that lets a team show architecture at the altitude that matches the conversation, and walks through the practical work of producing, maintaining, and reviewing them as a team.

We reach for this book whenever a team has stopped drawing diagrams entirely or, just as bad, draws them once and never updates them. The Container view is usually the diagram that pays for itself fastest; it surfaces the seams a team actually owns and makes Conway’s Law visible enough to act on.

Resources

• Simon Brown, “Software Architecture for Developers” (Leanpub, 2018)
• Simon Brown, “The C4 model for visualising software architecture” (c4model.com)
• C4 Model — the practice this book introduces