C4 Architecture Documentation
Purpose
Document Riksdagsmonitor architecture using C4 model (Context, Container, Component, Code).
C4 Model Levels
Level 1: Context Diagram
Shows system in environment with users and external systems.
C4Context
title System Context - Riksdagsmonitor
Person(citizen, "Citizen", "Seeks political transparency")
System(riksdag, "Riksdagsmonitor", "Static HTML/CSS website for Swedish Parliament monitoring")
System_Ext(github_pages, "GitHub Pages", "Static site hosting with CDN")
System_Ext(riksdag_api, "Riksdag-Regering MCP", "Swedish political data API (32 tools)")
System_Ext(cia, "CIA Platform", "Political intelligence backend")
Rel(citizen, riksdag, "Views political data", "HTTPS")
Rel(riksdag, github_pages, "Hosted on", "HTTPS, TLS 1.3")
Rel(riksdag, riksdag_api, "Fetches data via", "HTTP MCP")
Rel(riksdag, cia, "Links to", "HTTPS")
Level 2: Container Diagram
Shows high-level technology choices.
C4Container
title Container Diagram - Riksdagsmonitor
Person(citizen, "Citizen")
Container(web, "Web Application", "HTML5/CSS3", "Static website with 14 languages")
Container(mcp, "MCP Servers", "Node.js", "riksdag-regering, filesystem, memory, git")
Container(gh_actions, "GitHub Actions", "CI/CD", "Quality checks, deployment")
ContainerDb(git_repo, "Git Repository", "GitHub", "Version control, content storage")
System_Ext(github_pages, "GitHub Pages")
System_Ext(riksdag_api, "Riksdagen API")
Rel(citizen, web, "Views", "HTTPS")
Rel(web, github_pages, "Hosted on")
Rel(mcp, riksdag_api, "Fetches data")
Rel(gh_actions, git_repo, "Deploys from")
Rel(gh_actions, github_pages, "Publishes to")
Level 3: Component Diagram
Shows internal structure.
Documentation Structure
ARCHITECTURE.md Template:
# Architecture
## Executive Summary
## System Context (C4 Level 1)
## Container View (C4 Level 2)
## Component View (C4 Level 3)
## Technology Stack
## Security Architecture
## Deployment Pipeline
## References
References
- C4 Model: https://c4model.com
- ARCHITECTURE.md: Complete C4 models
- Mermaid Docs: https://mermaid.js.org/
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