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C4 Model

Practical articles on the C4 model: system context, container and component diagrams, notation tips, real examples and free templates.

C4 Model Explained with a Real Example
A C4 model diagram example built level by level: context, containers and components for one realistic system, plus notation tips and a free template.
10/16/2026
Architecture Diagrams That Don't Rot: A Living Docs Workflow
Architecture documentation best practices for diagrams that stay current: one source of truth, named owners, update triggers and a living docs checklist.
10/16/2026
How to Draw a Software Architecture Diagram: A Step-by-Step Guide
How to draw an architecture diagram people can read: define the reader and question, pick the type, label every arrow, keep it current.
10/8/2026

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