c4-architecture
C4 Architecture Documentation
Generate software architecture documentation using C4 model diagrams in Mermaid syntax.
Workflow
- Understand scope - Determine which C4 level(s) are needed based on audience
- Analyze codebase - Explore the system to identify components, containers, and relationships
- Generate diagrams - Create Mermaid C4 diagrams at appropriate abstraction levels
- Document - Write diagrams to markdown files with explanatory context
C4 Diagram Levels
Select the appropriate level based on the documentation need:
| Level | Diagram Type | Audience | Shows | When to Create |
|---|---|---|---|---|
| 1 | C4Context | Everyone | System + external actors | Always (required) |
| 2 | C4Container | Technical | Apps, databases, services | Always (required) |
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