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name: c4-diagrams description: C4 model architecture diagrams

C4 Diagrams

Levels

1. Context - System in environment
2. Container - High-level tech
3. Component - Components within containers
4. Code - Class/code level

When to Use

• Context: Always
• Container: Most projects
• Component: Complex systems
• Code: Rarely

Template (Mermaid)

CopyC4Context
  Person(user, "User")
  System(system, "System")
  Rel(user, system, "Uses")

Best Practices

• Start with Context
• Add detail as needed
• Keep up to date
• Include legend