feat: add initial Product Requirements Document for TechDiary

Author: kingRayhan

docs/PRD.md

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+# Product Requirements Document: TechDiary
+
+**Version:** 1.0  
+**Date:** December 2024  
+**Status:** Active Development  
+
+## Executive Summary
+
+TechDiary is a modern blogging platform designed specifically for the tech community, enabling developers, engineers, and tech enthusiasts to share knowledge, experiences, and insights through articles, while fostering engagement through reactions, comments, and bookmarking.
+
+## 1. Product Overview
+
+### 1.1 Vision Statement
+To create the premier destination for tech professionals to document their journey, share knowledge, and build a supportive community around technology and software development.
+
+### 1.2 Mission Statement
+Empower developers and tech enthusiasts with a platform that makes it easy to write, discover, and engage with high-quality technical content while building meaningful professional connections.
+
+### 1.3 Problem Statement
+- **Knowledge Fragmentation**: Technical knowledge is scattered across multiple platforms with varying quality
+- **Engagement Barriers**: Existing platforms lack intuitive ways to show appreciation and bookmark content
+- **Community Building**: Limited tools for building professional relationships within the tech community
+- **Content Discovery**: Difficulty finding relevant, high-quality technical content
+- **Internationalization**: Limited support for non-English speaking tech communities
+
+### 1.4 Solution Overview
+TechDiary provides a focused, feature-rich blogging platform with:
+- Intuitive markdown-based writing experience
+- Rich engagement features (reactions, comments, bookmarks)
+- Powerful search and content discovery
+- Multi-language support (English/Bengali)
+- Professional networking capabilities
+
+## 2. Business Objectives
+
+### 2.1 Primary Goals
+1. **User Growth**: Achieve 10,000+ registered users within 12 months
+2. **Content Quality**: Maintain high-quality technical content with average 5+ minute read time
+3. **Engagement**: Achieve 70%+ user engagement rate (reactions, comments, bookmarks)
+4. **Community Building**: Foster active community with 500+ regular contributors
+5. **Global Reach**: Support multiple languages starting with Bengali and English
+
+### 2.2 Success Metrics
+- **User Acquisition**: 1,000+ new registrations per month
+- **Content Creation**: 500+ articles published monthly
+- **User Engagement**: 3+ interactions per user session
+- **Retention**: 60%+ monthly active user retention
+- **Content Quality**: 4.5+ average article rating
+- **Search Performance**: <2 second search response time
+
+## 3. Target Users
+
+### 3.1 Primary Personas
+
+#### Persona 1: The Tech Blogger
+- **Profile**: Software developers, engineers, tech leads
+- **Goals**: Share knowledge, build personal brand, document learning journey
+- **Pain Points**: Complex publishing tools, limited audience reach
+- **Behaviors**: Writes 2-4 articles per month, engages with community content
+
+#### Persona 2: The Knowledge Seeker
+- **Profile**: Junior developers, students, career changers
+- **Goals**: Learn new technologies, find solutions, stay updated
+- **Pain Points**: Information overload, outdated content, language barriers
+- **Behaviors**: Reads 10-15 articles per week, bookmarks content, asks questions
+
+#### Persona 3: The Community Builder
+- **Profile**: Tech mentors, team leads, developer advocates
+- **Goals**: Foster learning, support community growth, share expertise
+- **Pain Points**: Limited engagement tools, difficulty tracking impact
+- **Behaviors**: Actively comments, shares content, mentors through articles
+
+### 3.2 Secondary Personas
+- **Tech Companies**: Looking to showcase expertise and attract talent
+- **Educators**: Sharing curriculum and educational content
+- **Open Source Contributors**: Documenting projects and tutorials
+
+## 4. Core Features
+
+### 4.1 Content Creation & Management
+
+#### 4.1.1 Article Editor
+- **Rich Markdown Editor**: Full-featured markdown editor with live preview
+- **Auto-save**: Automatic saving every 30 seconds to prevent data loss
+- **Draft Management**: Save and manage multiple drafts
+- **Media Upload**: Drag-and-drop image upload with cropping capabilities
+- **Series Support**: Organize related articles into series
+- **Publishing Controls**: Draft/publish toggle with scheduling options
+
+#### 4.1.2 Content Organization
+- **Tagging System**: Flexible tagging for content categorization
+- **Series Management**: Group related articles into logical sequences
+- **Cover Images**: Custom cover images with aspect ratio optimization
+- **SEO Optimization**: Meta descriptions, structured data, sitemap generation
+
+### 4.2 User Authentication & Profiles
+
+#### 4.2.1 Authentication
+- **GitHub OAuth**: Primary authentication method for developers
+- **Session Management**: Secure session handling with automatic renewal
+- **Account Security**: Secure password requirements and account protection
+
+#### 4.2.2 User Profiles
+- **Profile Customization**: Avatar, bio, location, education, social links
+- **Professional Information**: GitHub, LinkedIn, personal website links
+- **Achievement System**: Badges for contributions and engagement
+- **Reading History**: Track and display reading activity
+
+### 4.3 Content Discovery & Search
+
+#### 4.3.1 Search System
+- **Full-text Search**: Powered by MeilSearch for fast, relevant results
+- **Filter Options**: Search by tags, authors, date ranges, content type
+- **Search Suggestions**: Auto-complete and suggested searches
+- **Search Analytics**: Track popular searches and content gaps
+
+#### 4.3.2 Content Feeds
+- **Personalized Feed**: Algorithm-based content recommendations
+- **Following Feed**: Content from followed authors
+- **Tag-based Feeds**: Content filtered by preferred tags
+- **Trending Content**: Popular and trending articles
+
+### 4.4 Engagement Features
+
+#### 4.4.1 Reaction System
+- **Emoji Reactions**: Love, Fire, Wow, Haha, Cry, Unicorn reactions
+- **Real-time Updates**: Immediate feedback with optimistic UI updates
+- **Reaction Analytics**: Track popular content types and engagement patterns
+
+#### 4.4.2 Comment System
+- **Nested Comments**: Threaded discussions with reply functionality
+- **Comment Reactions**: React to individual comments
+- **Moderation Tools**: Report and moderate inappropriate content
+- **Notification System**: Alert users to comment activity
+
+#### 4.4.3 Bookmarking
+- **Save for Later**: Bookmark articles for future reading
+- **Bookmark Organization**: Categorize and organize saved content
+- **Reading Lists**: Create custom reading lists
+- **Export Options**: Export bookmarks for external use
+
+### 4.5 Social Features
+
+#### 4.5.1 Following System
+- **Author Following**: Follow favorite authors for content updates
+- **Follower Management**: Manage followers and following lists
+- **Activity Feed**: See activity from followed users
+- **Recommendations**: Suggest authors based on reading patterns
+
+#### 4.5.2 Community Features
+- **User Discovery**: Find and connect with other users
+- **Author Profiles**: Detailed author pages with content history
+- **Social Sharing**: Share articles on external social platforms
+- **Networking**: Professional networking within the platform
+
+### 4.6 Internationalization
+
+#### 4.6.1 Multi-language Support
+- **Bengali Support**: Full Bengali language interface and content
+- **Language Toggle**: Easy switching between English and Bengali
+- **Localized Content**: Date formatting, number formatting, cultural adaptations
+- **RTL Support**: Right-to-left text support for applicable languages
+
+## 5. Technical Requirements
+
+### 5.1 Platform Requirements
+- **Web Application**: Responsive design for desktop and mobile
+- **Modern Browsers**: Support for Chrome, Firefox, Safari, Edge
+- **Mobile Optimization**: Touch-friendly interface for mobile devices
+- **Progressive Web App**: PWA capabilities for mobile app-like experience
+
+### 5.2 Performance Requirements
+- **Page Load Speed**: <3 seconds initial page load
+- **Search Response**: <500ms search result display
+- **Image Loading**: Lazy loading with optimized formats (WebP, AVIF)
+- **Uptime**: 99.9% availability target
+
+### 5.3 Security Requirements
+- **Data Protection**: GDPR compliance and user data protection
+- **Secure Authentication**: OAuth 2.0 with secure session management
+- **Content Security**: XSS protection and input sanitization
+- **API Security**: Rate limiting and authentication for all endpoints
+
+### 5.4 Scalability Requirements
+- **User Capacity**: Support for 100,000+ registered users
+- **Content Volume**: Handle 10,000+ articles with efficient search
+- **Concurrent Users**: Support 1,000+ simultaneous active users
+- **Global CDN**: Fast content delivery worldwide
+
+## 6. User Experience Requirements
+
+### 6.1 Design Principles
+- **Simplicity**: Clean, uncluttered interface focused on content
+- **Accessibility**: WCAG 2.1 AA compliance for inclusive design
+- **Consistency**: Unified design language across all features
+- **Performance**: Fast, responsive interactions with minimal loading
+
+### 6.2 User Interface Requirements
+- **Dark/Light Mode**: Theme switching for user preference
+- **Responsive Design**: Seamless experience across all device sizes
+- **Typography**: Optimized reading experience with proper font choices
+- **Visual Hierarchy**: Clear information architecture and navigation
+
+### 6.3 User Journey Optimization
+- **Onboarding**: Smooth registration and profile setup process
+- **Content Discovery**: Intuitive search and browsing experience
+- **Writing Experience**: Distraction-free, powerful writing environment
+- **Engagement**: Natural, rewarding interaction patterns
+
+## 7. Content Strategy
+
+### 7.1 Content Types
+- **Technical Tutorials**: Step-by-step guides and how-tos
+- **Experience Sharing**: Personal journey and lesson learned articles
+- **Technology Reviews**: Analysis and comparison of tools and frameworks
+- **Open Source**: Project documentation and contribution guides
+- **Career Development**: Professional growth and industry insights
+
+### 7.2 Content Quality Standards
+- **Original Content**: Emphasis on original, valuable insights
+- **Technical Accuracy**: Fact-checking and technical review processes
+- **Writing Quality**: Clear, well-structured, engaging writing
+- **Code Examples**: Working, tested code snippets and examples
+- **Regular Updates**: Encourage updating content to maintain relevance
+
+### 7.3 Content Moderation
+- **Community Guidelines**: Clear rules for acceptable content
+- **Reporting System**: Easy-to-use content reporting tools
+- **Moderation Queue**: Review system for flagged content
+- **Appeal Process**: Fair process for content disputes
+
+## 8. Monetization Strategy
+
+### 8.1 Revenue Streams (Future)
+- **Premium Subscriptions**: Advanced features for power users
+- **Sponsored Content**: Tasteful, relevant sponsored articles
+- **Job Board**: Tech job listings and company profiles
+- **Pro Tools**: Advanced analytics and writing tools
+- **Training Content**: Premium courses and workshops
+
+### 8.2 Community-First Approach
+- **Free Core Features**: Keep essential features free forever
+- **Value-Added Services**: Charge only for premium enhancements
+- **Transparent Pricing**: Clear, honest pricing with no hidden fees
+- **Community Benefits**: Revenue sharing with top contributors
+
+## 9. Development Roadmap
+
+### 9.1 Phase 1: MVP (Months 1-3)
+- ✅ Core authentication (GitHub OAuth)
+- ✅ Basic article creation and editing
+- ✅ User profiles and basic settings
+- ✅ Article discovery and search
+- ✅ Basic reactions and bookmarking
+
+### 9.2 Phase 2: Community Features (Months 4-6)
+- ✅ Comment system with threading
+- ✅ Following/follower system
+- ✅ Enhanced search with filtering
+- ✅ Series support for content organization
+- ✅ Multi-language support (Bengali)
+
+### 9.3 Phase 3: Engagement & Growth (Months 7-9)
+- 🔄 Advanced user profiles with achievements
+- 🔄 Notification system
+- 📋 Content recommendations algorithm
+- 📋 Mobile app (PWA)
+- 📋 API for third-party integrations
+
+### 9.4 Phase 4: Monetization & Scale (Months 10-12)
+- 📋 Premium subscription features
+- 📋 Advanced analytics dashboard
+- 📋 Content collaboration tools
+- 📋 Enterprise features
+- 📋 Mobile native apps
+
+## 10. Risk Assessment
+
+### 10.1 Technical Risks
+- **Scalability Challenges**: Database performance under high load
+- **Search Performance**: Maintaining fast search with growing content
+- **Security Vulnerabilities**: User data protection and content security
+- **Third-party Dependencies**: GitHub OAuth and external service reliability
+
+### 10.2 Business Risks
+- **Competition**: Existing platforms like Dev.to, Medium, Hashnode
+- **User Acquisition**: Difficulty in building initial user base
+- **Content Quality**: Maintaining high standards as platform grows
+- **Monetization Balance**: Avoiding over-commercialization
+
+### 10.3 Mitigation Strategies
+- **Technical**: Robust testing, performance monitoring, security audits
+- **Business**: Community-first approach, unique value proposition, gradual feature rollout
+- **User Experience**: Continuous user feedback and iterative improvement
+- **Content**: Clear guidelines, moderation tools, quality incentives
+
+## 11. Success Metrics & KPIs
+
+### 11.1 User Metrics
+- **Monthly Active Users (MAU)**: Target 50,000+ in Year 1
+- **Daily Active Users (DAU)**: Target 15,000+ in Year 1
+- **User Retention**: 60%+ monthly retention rate
+- **User Growth Rate**: 20%+ month-over-month growth
+
+### 11.2 Engagement Metrics
+- **Articles per User**: Average 3+ articles per active user
+- **Engagement Rate**: 70%+ users interact with content
+- **Session Duration**: Average 8+ minutes per session
+- **Content Interaction**: 5+ reactions/comments per article
+
+### 11.3 Content Metrics
+- **Content Volume**: 1,000+ new articles monthly
+- **Content Quality**: 4.5+ average rating
+- **Search Success**: 80%+ search queries result in engagement
+- **Content Sharing**: 30%+ articles shared externally
+
+### 11.4 Technical Metrics
+- **Page Load Speed**: <2 seconds average load time
+- **Search Performance**: <500ms average search response
+- **Uptime**: 99.9%+ platform availability
+- **Error Rate**: <0.1% application error rate
+
+## 12. Competitive Analysis
+
+### 12.1 Direct Competitors
+
+#### Dev.to
+- **Strengths**: Large community, good SEO, simple interface
+- **Weaknesses**: Limited customization, basic engagement features
+- **Differentiation**: Better engagement tools, multi-language support
+
+#### Hashnode
+- **Strengths**: Developer-focused, good performance, custom domains
+- **Weaknesses**: Limited social features, complex setup
+- **Differentiation**: Simpler onboarding, stronger community features
+
+#### Medium
+- **Strengths**: Large audience, good discovery, established platform
+- **Weaknesses**: Not tech-focused, paywall issues, limited customization
+- **Differentiation**: Tech-specific features, free access, better tools
+
+### 12.2 Competitive Advantages
+- **Developer-First Design**: Built by developers for developers
+- **Multi-language Support**: Serving non-English tech communities
+- **Rich Engagement**: Advanced reaction and interaction systems
+- **Modern Technology**: Fast, responsive, accessible platform
+- **Community Focus**: Community-driven features and development
+
+## 13. Conclusion
+
+TechDiary represents a significant opportunity to create a developer-focused blogging platform that addresses key gaps in the current market. With its emphasis on community engagement, technical excellence, and inclusive design, TechDiary is positioned to become the go-to platform for tech professionals to share knowledge and build meaningful connections.
+
+The roadmap balances ambitious feature development with pragmatic execution, ensuring sustainable growth while maintaining focus on user value and community building. Success will be measured not just in user numbers, but in the quality of content, strength of community, and positive impact on the global tech ecosystem.
+
+---
+
+**Document Prepared By:** TechDiary Team  
+**Next Review Date:** Q1 2025  
+**Stakeholders:** Product Team, Engineering Team, Community Managers
+
+Legend:  
+✅ Completed  
+🔄 In Progress  
+📋 Planned