🎓 Attendance Marking App — Production Blueprint

A lightweight, fast, research-focused attendance application for academic institutions enabling real-time marking, timetable management, and comprehensive analytics.

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📋 Quick Links

• MASTER_README.md — Project overview, architecture, vision, 5-phase timeline
• COMPLETE_DEVELOPER_DOCUMENTATION.md — Technical deep-dive, setup, API reference
• backend/README_DEV.md — Backend development quick start
• mobile/README.md — Mobile (Flutter) development setup
• docs/ARCHITECTURE.md — System design & data flow
• docs/API.md — Complete API reference (25 endpoints)

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🚀 Getting Started (5 Minutes)

Prerequisites

Node.js 18+, npm 9+, Docker, Flutter 3.x, PostgreSQL 14+

Backend Quick Start

# 1. Clone repo
git clone <url>
cd attendance-app

# 2. Start PostgreSQL + Redis
docker-compose up -d

# 3. Backend setup
cd backend
npm install
npm run db:migrate
npm start
# ✓ Server on http://localhost:3000
# ✓ Health check: curl http://localhost:3000/api/v1/health

Mobile Quick Start

cd mobile
flutter pub get
flutter run

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📂 Project Structure

attendance-app/
├── backend/           # Node.js + Express API
│   ├── src/
│   ├── tests/
│   ├── docker-compose.yml
│   └── README_DEV.md
├── mobile/            # Flutter iOS + Android
│   ├── lib/
│   ├── test/
│   └── pubspec.yaml
├── docs/              # Documentation
│   ├── ARCHITECTURE.md
│   ├── API.md
│   ├── DEPLOYMENT.md
│   ├── SECURITY.md
│   ├── TROUBLESHOOTING.md
│   └── ADR/           # Architecture Decision Records
├── .gitignore
├── LICENSE
├── MASTER_README.md   # Full spec
└── COMPLETE_DEVELOPER_DOCUMENTATION.md

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📊 Key Facts

Aspect	Details
Build Time	6 weeks (5 FTE)
Target Users	Faculty, HoD, Admin, Students (future)
Marking Speed	<2 minutes for 60 students
App Size	<40 MB APK, <20 MB installed
Memory	<150 MB peak
Uptime	99.9% (SLA)
Real-time	<2 sec HoD dashboard update
Tech Stack	Flutter, Node.js, PostgreSQL, Redis, AWS

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🎯 Vision

Problem: Faculty spend 10–15 minutes manually marking attendance with no real-time visibility, no analytics, no audit trail.

Solution: One-tap app that marks 60 students in <2 minutes. Real-time HoD dashboard. Rich analytics. Immutable audit log.

Impact: 7x faster, zero errors, real-time visibility, rich insights, full compliance.

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🔑 Phases

Phase	Weeks	Focus
0	1–2	Foundation (DB, Auth, Express scaffold)
1	3–4	Core Attendance Marking
2	5–6	Timetable & Tentative Lectures
3	7–9	Analytics & HoD Dashboard
4	10–11	Security & Lite Optimization
5	12–14	Deployment & Beta Testing

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📚 Documentation Index

Document	Purpose
MASTER_README.md	Project overview, vision, architecture, timeline, budget
COMPLETE_DEVELOPER_DOCUMENTATION.md	Technical setup, database, API, testing, deployment
docs/ARCHITECTURE.md	System design, data flow, component responsibility
docs/API.md	OpenAPI spec, all 25 endpoints with examples
docs/DEPLOYMENT.md	AWS setup, monitoring, scaling, incident response
docs/SECURITY.md	OWASP checklist, auth flows, encryption
docs/CONTRIBUTING.md	Code style, PR process, commit conventions
docs/TROUBLESHOOTING.md	Common issues, debug steps, solutions
backend/README_DEV.md	Backend setup & development

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🤝 Contributing

1. Clone the repo
2. Create a feature branch (git checkout -b feature/your-feature)
3. Make changes
4. Commit with conventional messages (feat:, fix:, docs:)
5. Push and create PR
6. Code review required before merge
7. Tests must pass (>70% coverage)

See CONTRIBUTING.md for details.

📞 Support

Questions? Check:

1. TROUBLESHOOTING.md — Common issues
2. docs/API.md — Endpoint details
3. docs/DEPLOYMENT.md — Infrastructure
4. GitHub Issues — Report bugs or feature requests

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Status: Phase 0 (Foundation) — In Development
Timeline: 6 weeks (started 2026-04-10)
Confidence Level: Very High ✅✅✅