Frontend
- Framework: Next.js with React and TypeScript
- State Management: React Context API + SWR for data fetching
- Form Handling: React Hook Form with Zod schema validation
- Styling: Tailwind CSS for utility-first styling
- UI Components: Custom component library with accessibility features
- Authentication: JWT token handling with HTTP-only cookies
Backend
- Framework: Next.js API Routes (Node.js)
- API Design: REST principles with JSON response format
- Middleware: Custom middleware chain for authentication and validation
- Validation: Zod schemas for type-safe request validation
- Error Handling: Standardized error responses with appropriate HTTP codes
Database
- Primary Database: PostgreSQL (v14+)
- ORM: Prisma for type-safe database access
- Migrations: Automated schema migrations via Prisma
- Indexing: Strategic indexes for query optimization
- Connection Pooling: Connection pooling for efficient database connections
Storage & Document Management
- Document Storage: IPFS for content-addressable immutable storage
- Cloud Storage: Cloudflare R2 (S3-compatible) for redundancy
- File Processing: Server-side processing for document validation
- Metadata: Structured metadata stored in PostgreSQL with references to storage
Blockchain Integration
- Ethereum Compatibility: Support for EVM-compatible chains
- Web3 Interface: ethers.js for blockchain interactions
- Smart Contracts: Solidity-based contracts with OpenZeppelin libraries
- Transaction Management: Nonce management and gas optimization
DevOps & Infrastructure
- Deployment: Vercel for frontend and serverless functions
- CI/CD: GitHub Actions for automated testing and deployment
- Monitoring: Custom logging and Vercel Analytics
- Environment Management: Environment-specific configuration via .env files