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Product Requirements Document: [Project Name]

Version: 1.0
Date: [Date]
Author: [Your Name]
Status: [Draft | In Review | Approved]

Executive Summary

Project Overview

[Brief 2-3 sentence description of the project and its primary purpose]

Business Goals

  • Goal 1: [Specific measurable business objective]
  • Goal 2: [Another business objective]
  • Goal 3: [Third business objective]

Success Metrics

  • Metric 1: [How you'll measure success - e.g., "10,000 active users in 6 months"]
  • Metric 2: [Another success metric]
  • Metric 3: [Third success metric]

Problem Statement

Current Situation

[Describe the problem or opportunity this project addresses]

User Pain Points

  1. Pain Point 1: [Description of user problem]
  2. Pain Point 2: [Another user problem]
  3. Pain Point 3: [Third user problem]

Why Now?

[Why is this the right time to build this solution?]

Target Users

Primary User Personas

Persona 1: [Name/Role]

  • Demographics: [Age, location, profession, etc.]
  • Goals: [What they want to achieve]
  • Pain Points: [Their specific challenges]
  • Technical Proficiency: [Tech comfort level]
  • Key Needs: [What they need from our solution]

Persona 2: [Name/Role]

  • Demographics: [Age, location, profession, etc.]
  • Goals: [What they want to achieve]
  • Pain Points: [Their specific challenges]
  • Technical Proficiency: [Tech comfort level]
  • Key Needs: [What they need from our solution]

User Journey

[Describe how users will discover, onboard, and use the application]

Solution Overview

Product Vision

[Describe the ideal end state of the product in 1-2 paragraphs]

Core Value Proposition

[What unique value does this solution provide?]

Key Differentiators

  1. Differentiator 1: [What sets us apart]
  2. Differentiator 2: [Another competitive advantage]
  3. Differentiator 3: [Third differentiator]

Technology Stack

Frontend

  • Framework: [e.g., React 18 with Next.js 14]
  • Language: [e.g., TypeScript 5.x]
  • State Management: [e.g., React Query + Zustand]
  • Styling: [e.g., Tailwind CSS with shadcn/ui]
  • Build Tool: [e.g., Vite or Next.js]

Backend

  • Runtime: [e.g., Node.js 20+]
  • Framework: [e.g., Express, Fastify, or NestJS]
  • Language: [e.g., TypeScript 5.x]
  • API Style: [e.g., REST, GraphQL, or tRPC]

Database

  • Primary Database: [e.g., PostgreSQL 15]
  • ORM/Query Builder: [e.g., Prisma]
  • Caching: [e.g., Redis]
  • Search: [if applicable, e.g., Elasticsearch]

Infrastructure

  • Hosting: [e.g., Vercel for frontend, Railway for backend]
  • CDN: [e.g., Cloudflare or built-in]
  • File Storage: [e.g., AWS S3 or Cloudflare R2]
  • CI/CD: [e.g., GitHub Actions]
  • Monitoring: [e.g., Sentry, Datadog]

Authentication

  • Strategy: [e.g., JWT with refresh tokens]
  • Provider: [e.g., Custom auth, Auth0, Clerk, or Supabase Auth]
  • Authorization: [e.g., RBAC with custom middleware]

Real-time (if applicable)

  • Technology: [e.g., Socket.io, Server-Sent Events, or WebSocket]
  • Use Cases: [What requires real-time updates]

Features & Requirements

Phase 1: MVP (Minimum Viable Product)

Must-Have Features

Feature 1: [Feature Name]
  • Description: [Detailed description of the feature]
  • User Story: As a [user type], I want to [action], so that [benefit]
  • Acceptance Criteria:
    • Criterion 1
    • Criterion 2
    • Criterion 3
  • Priority: P0 (Must Have)
  • Technical Considerations:
    • [Technical requirement 1]
    • [Technical requirement 2]
Feature 2: [Feature Name]
  • Description: [Detailed description]
  • User Story: As a [user type], I want to [action], so that [benefit]
  • Acceptance Criteria:
    • Criterion 1
    • Criterion 2
    • Criterion 3
  • Priority: P0 (Must Have)
Feature 3: [Feature Name]
  • Description: [Detailed description]
  • User Story: As a [user type], I want to [action], so that [benefit]
  • Acceptance Criteria:
    • Criterion 1
    • Criterion 2
    • Criterion 3
  • Priority: P0 (Must Have)

Should-Have Features

Feature 4: [Feature Name]
  • Description: [Detailed description]
  • User Story: As a [user type], I want to [action], so that [benefit]
  • Priority: P1 (Should Have)
  • Dependencies: [What must be built first]
Feature 5: [Feature Name]
  • Description: [Detailed description]
  • User Story: As a [user type], I want to [action], so that [benefit]
  • Priority: P1 (Should Have)

Phase 2: Enhancement Features

Feature 6: [Feature Name]

  • Description: [Detailed description]
  • User Story: As a [user type], I want to [action], so that [benefit]
  • Priority: P2 (Nice to Have)
  • Estimated Effort: [Small | Medium | Large]

Feature 7: [Feature Name]

  • Description: [Detailed description]
  • Priority: P2 (Nice to Have)

Future Considerations

  • Feature 8: [Feature for future phases]
  • Feature 9: [Another future feature]

User Interface & Experience

Design Principles

  1. Principle 1: [e.g., "Mobile-first, responsive design"]
  2. Principle 2: [e.g., "Accessibility (WCAG 2.1 AA compliance)"]
  3. Principle 3: [e.g., "Fast, performant interactions"]

Key User Flows

Flow 1: [Flow Name - e.g., "User Registration"]

  1. User lands on homepage
  2. Clicks "Sign Up" button
  3. Fills out registration form
  4. Receives verification email
  5. Verifies email and is directed to onboarding

Flow 2: [Flow Name - e.g., "Creating Content"]

  1. User navigates to create page
  2. Fills out content form
  3. Previews content
  4. Submits for review/publication
  5. Receives confirmation

Component Requirements

  • Header/Navigation: [Requirements for global navigation]
  • Dashboard: [Requirements for main dashboard view]
  • Forms: [Form validation, error handling requirements]
  • Modals/Dialogs: [Modal interaction patterns]
  • Notifications: [Toast notifications, alerts]

API Requirements

REST API Endpoints (if using REST)

Users

  • GET /api/v1/users - List all users (admin only)
  • GET /api/v1/users/:id - Get user by ID
  • POST /api/v1/users - Create new user
  • PATCH /api/v1/users/:id - Update user
  • DELETE /api/v1/users/:id - Delete user

Authentication

  • POST /api/v1/auth/register - Register new user
  • POST /api/v1/auth/login - Login user
  • POST /api/v1/auth/logout - Logout user
  • POST /api/v1/auth/refresh - Refresh access token
  • POST /api/v1/auth/forgot-password - Request password reset
  • POST /api/v1/auth/reset-password - Reset password

[Resource Name]

  • GET /api/v1/[resource] - List resources
  • GET /api/v1/[resource]/:id - Get resource by ID
  • POST /api/v1/[resource] - Create resource
  • PATCH /api/v1/[resource]/:id - Update resource
  • DELETE /api/v1/[resource]/:id - Delete resource

GraphQL Schema (if using GraphQL)

[Include GraphQL type definitions for key entities]

Real-time Events (if applicable)

  • Event 1: [Event name and payload structure]
  • Event 2: [Another event]

Data Models

User

interface User {
  id: string;
  email: string;
  name: string;
  avatar?: string;
  role: 'USER' | 'ADMIN' | 'MODERATOR';
  createdAt: Date;
  updatedAt: Date;
}

[Model Name]

interface [ModelName] {
  id: string;
  // Add fields
  createdAt: Date;
  updatedAt: Date;
}

Relationships

  • User has many [Resources]
  • [Resource] belongs to User
  • [Other relationships]

Non-Functional Requirements

Performance

  • Page Load Time: < 2 seconds on 3G
  • Time to Interactive: < 3 seconds
  • API Response Time: < 200ms (p95)
  • Concurrent Users: Support 1,000 concurrent users initially

Security

  • Authentication: JWT-based with refresh tokens
  • Data Encryption: TLS 1.3 for data in transit, AES-256 for data at rest
  • Input Validation: All inputs sanitized and validated
  • Rate Limiting: 100 requests per 15 minutes per IP
  • OWASP Top 10: Mitigations for all OWASP Top 10 vulnerabilities

Scalability

  • Horizontal Scaling: Application should be stateless
  • Database Scaling: Design for read replicas
  • Caching Strategy: Redis for frequently accessed data
  • CDN: Static assets served via CDN

Reliability

  • Uptime SLA: 99.9% uptime
  • Error Rate: < 0.1% error rate
  • Backup: Daily database backups with 30-day retention
  • Disaster Recovery: RTO of 4 hours, RPO of 1 hour

Monitoring & Observability

  • Logging: Structured JSON logs with correlation IDs
  • Metrics: Track error rates, latency, throughput
  • Alerting: Alert on critical errors and performance degradation
  • Error Tracking: Use Sentry or similar for error monitoring

Accessibility

  • WCAG Compliance: WCAG 2.1 Level AA
  • Screen Reader Support: Full screen reader compatibility
  • Keyboard Navigation: All functionality accessible via keyboard

Browser Support

  • Modern Browsers: Chrome, Firefox, Safari, Edge (latest 2 versions)
  • Mobile Browsers: iOS Safari, Chrome Mobile

Testing Requirements

Frontend Testing

  • Unit Tests: 80% code coverage for components and utilities
  • Integration Tests: Critical user flows
  • E2E Tests: Key user journeys (login, core features)
  • Visual Regression: Screenshots for UI consistency
  • Accessibility Tests: Automated a11y testing

Backend Testing

  • Unit Tests: 85% code coverage for business logic
  • Integration Tests: API endpoints
  • Load Testing: Test at 2x expected peak load
  • Security Testing: OWASP ZAP or similar

Tools

  • Frontend: Vitest, React Testing Library, Playwright
  • Backend: Jest, Supertest
  • Load Testing: k6 or Artillery
  • Security: OWASP ZAP, npm audit

Deployment & DevOps

Environments

  • Development: Local development environment
  • Staging: Pre-production testing environment
  • Production: Live production environment

CI/CD Pipeline

  1. Code pushed to GitHub
  2. Automated tests run (unit, integration)
  3. Security scanning (dependencies, SAST)
  4. Build artifacts
  5. Deploy to staging (on merge to main)
  6. Manual approval for production
  7. Deploy to production
  8. Health checks and smoke tests

Deployment Strategy

  • Blue-Green Deployment: Zero-downtime deployments
  • Rollback Strategy: Automated rollback on failed health checks
  • Feature Flags: LaunchDarkly or similar for feature rollout

Timeline & Milestones

Phase 1: MVP (8-12 weeks)

  • Week 1-2: Project setup, architecture, initial infrastructure
  • Week 3-4: Authentication and user management
  • Week 5-6: Core feature development
  • Week 7-8: Additional MVP features
  • Week 9-10: Integration testing, bug fixes
  • Week 11-12: Performance optimization, security audit, launch prep

Phase 2: Enhancements (TBD)

  • [Timeline for phase 2 features]

Phase 3: Advanced Features (TBD)

  • [Timeline for advanced features]

Risks & Mitigation

Technical Risks

  1. Risk: [Technical risk description]

    • Likelihood: [High | Medium | Low]
    • Impact: [High | Medium | Low]
    • Mitigation: [How to address]

  2. Risk: [Another risk]

    • Likelihood: [High | Medium | Low]
    • Impact: [High | Medium | Low]
    • Mitigation: [How to address]

Business Risks

  1. Risk: [Business risk]
    • Mitigation: [How to address]

Open Questions

  • Question 1: [Open question needing resolution]
  • Question 2: [Another question]
  • Question 3: [Third question]

Appendix

Glossary

  • Term 1: Definition
  • Term 2: Definition

References

  • [Reference 1]
  • [Reference 2]

Related Documents

  • Architecture Document: [Link]
  • API Documentation: [Link]
  • Design System: [Link]