Technology Stack & Preferences

# Technology Stack & Preferences

## 🎯 Current Technology Stack

### Frontend Technologies
- **Primary Framework**: [React 18.x / Vue 3.x / Angular 15+ / Next.js 14+ / Other]
- **Language**: [TypeScript / JavaScript / Other]
- **Styling**: [Tailwind CSS / Styled Components / CSS Modules / SCSS / Other]
- **State Management**: [Redux Toolkit / Zustand / Jotai / Context API / Other]
- **UI Components**: [Custom / Material-UI / Ant Design / Chakra UI / Other]
- **Icons**: [Lucide / Heroicons / Font Awesome / Custom SVGs]

### Backend Technologies
- **Runtime**: [Node.js 18+ / Python 3.9+ / Java 17+ / .NET 6+ / Other]
- **Framework**: [Express.js / Fastify / Django / Spring Boot / ASP.NET / Other]
- **Language**: [TypeScript / JavaScript / Python / Java / C# / Other]
- **API Style**: [REST / GraphQL / tRPC / gRPC / Other]
- **Authentication**: [JWT / Session-based / OAuth 2.0 / Auth0 / Other]

### Database & Storage
- **Primary Database**: [PostgreSQL / MySQL / MongoDB / SQLite / Other]
- **ORM/ODM**: [Prisma / TypeORM / Sequelize / Mongoose / Other]
- **Caching**: [Redis / Memcached / In-memory / Other]
- **File Storage**: [AWS S3 / Google Cloud Storage / Cloudinary / Local / Other]
- **Search Engine**: [Elasticsearch / Algolia / PostgreSQL Full-text / Other]

### Infrastructure & DevOps
- **Hosting Platform**: [Vercel / Netlify / AWS / Google Cloud / Azure / DigitalOcean / Other]
- **Containerization**: [Docker / Podman / None]
- **CI/CD**: [GitHub Actions / GitLab CI / Jenkins / CircleCI / Other]
- **Monitoring**: [Sentry / DataDog / New Relic / LogRocket / Other]
- **Analytics**: [Google Analytics / Mixpanel / Amplitude / PostHog / Other]

## 🛠️ Development Tools & Setup

### Code Quality & Formatting
- **Linting**: [ESLint / TSLint / Pylint / Other]
- **Formatting**: [Prettier / Black / Gofmt / Other]
- **Type Checking**: [TypeScript / Flow / MyPy / Other]
- **Pre-commit Hooks**: [Husky + lint-staged / pre-commit / Other]

### Testing Framework
- **Unit Testing**: [Jest / Vitest / PyTest / JUnit / Other]
- **Integration Testing**: [Testing Library / Cypress / Playwright / Other]
- **End-to-End Testing**: [Playwright / Cypress / Selenium / Other]
- **Test Coverage**: [Jest Coverage / NYC / Coverage.py / Other]

### Package Management
- **Frontend**: [npm / yarn / pnpm / bun]
- **Backend**: [npm / yarn / pip / Maven / NuGet / Other]
- **Monorepo**: [Lerna / Nx / Rush / Turborepo / None]

### Development Environment
- **Editor**: [VS Code / WebStorm / IntelliJ / Vim / Other]
- **Extensions**: [List key extensions/plugins]
- **Terminal**: [iTerm2 / Windows Terminal / Hyper / Other]
- **Shell**: [Zsh / Bash / Fish / PowerShell / Other]

## 📋 Technology Preferences & Rationale

### Why We Chose Current Stack
1. **Frontend Choice**: [Reasoning for frontend framework choice]
2. **Backend Choice**: [Reasoning for backend technology]
3. **Database Choice**: [Why this database was selected]
4. **Hosting Choice**: [Rationale for hosting platform]

### Performance Considerations
- **Bundle Size**: [Target size and optimization strategies]
- **Database Optimization**: [Indexing strategy, query optimization]
- **Caching Strategy**: [What and how we cache]
- **CDN Usage**: [Content delivery strategy]

### Security Considerations
- **Data Encryption**: [At rest and in transit]
- **Authentication Strategy**: [How users authenticate]
- **Authorization Model**: [RBAC, ABAC, etc.]
- **Input Validation**: [How we validate and sanitize inputs]

## 🚫 Technology Constraints & Limitations

### Things to Avoid
- **Deprecated Technologies**: [List outdated tech to avoid]
- **Incompatible Libraries**: [Known incompatible packages]
- **Performance Antipatterns**: [Patterns that hurt performance]
- **Security Antipatterns**: [Security practices to avoid]

### Version Constraints
- **Node.js**: [Minimum version requirement]
- **Browser Support**: [Minimum supported browser versions]
- **Database**: [Minimum database version]
- **Dependencies**: [Any pinned or constrained versions]

## 🔧 Development Standards & Conventions

### Code Style Guidelines
- **Naming Conventions**: [camelCase, PascalCase, kebab-case usage]
- **File Organization**: [How to structure files and folders]
- **Import/Export Style**: [Named vs default exports, import ordering]
- **Component Structure**: [How to organize React/Vue components]

### API Design Standards
- **REST Conventions**: [Naming, HTTP methods, status codes]
- **Error Handling**: [Standard error response format]
- **Pagination**: [How to handle large result sets]
- **Versioning**: [API versioning strategy]

### Database Conventions
- **Table Naming**: [Singular vs plural, casing]
- **Column Naming**: [snake_case vs camelCase]
- **Migration Strategy**: [How to handle schema changes]
- **Backup Strategy**: [How and when to backup data]

## 📦 Package Management Guidelines

### Dependency Management
- **Production Dependencies**: [Guidelines for adding prod deps]
- **Development Dependencies**: [Guidelines for dev deps]
- **Version Pinning**: [When to pin versions vs use ranges]
- **Security Updates**: [How to handle security vulnerabilities]

### Internal Libraries
- **Shared Components**: [How to share UI components]
- **Utility Libraries**: [Common utility functions]
- **Business Logic**: [Shared business logic packages]
- **Configuration**: [Shared configuration packages]

## 🔄 Migration & Update Strategy

### Planned Upgrades
- **Framework Updates**: [Upcoming major version updates]
- **Database Migrations**: [Planned schema changes]
- **Infrastructure Changes**: [Hosting or architecture changes]
- **Tooling Updates**: [Development tool updates]

### Legacy Code Handling
- **Deprecation Strategy**: [How to phase out old code]
- **Migration Timeline**: [When to migrate legacy components]
- **Compatibility Requirements**: [What must remain compatible]
- **Documentation**: [How to document legacy decisions]

## 📊 Performance Targets & Monitoring

### Performance Budgets
- **JavaScript Bundle**: [Maximum bundle size]
- **CSS Bundle**: [Maximum stylesheet size]
- **Image Assets**: [Maximum image sizes]
- **API Response Time**: [Maximum acceptable response time]

### Monitoring & Alerts
- **Error Tracking**: [What errors to track and alert on]
- **Performance Monitoring**: [Key metrics to monitor]
- **Uptime Monitoring**: [SLA targets and monitoring]
- **User Experience**: [UX metrics to track]

## 📝 Additional Notes

### Team Preferences
[Any specific team preferences or constraints]

### Learning Resources
[Key documentation, tutorials, or resources for the stack]

### Decision Log
[Major technology decisions and their reasoning]

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**📅 Last Updated**: [Date]
**👤 Tech Lead**: [Name]
**🔄 Next Review**: [Date for next stack review]

*This document should be reviewed and updated regularly as technology evolves and project needs change.*