Kenil b353b447d8 Initial commit for backend

2025-10-10 08:56:39 +05:30

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Test App

🎯 System Overview

Generated: 2025-07-24 16:22:53 UTC
Quality Target: 80-90% production-ready code
Architecture Pattern: React frontend with Node.js backend, following enterprise patterns
Total Features: 3 enterprise-grade features

🏗️ Technology Stack

Frontend: React

Libraries & Tools:

Redux

Backend: Node.js

Language: JavaScript
Libraries & Tools:

Express
JWT

Database: PostgreSQL

Secondary Storage:

Standard libraries and tools

🎯 Design Principles & Quality Standards

1. Security First

Authentication: JWT with refresh token rotation (15min access, 7-day refresh)
Authorization: Role-based access control (RBAC) with permission granularity
Input Validation: Comprehensive validation and sanitization on all inputs
Data Protection: Encryption at rest and in transit, GDPR compliance ready
Security Headers: Helmet.js, CORS, CSP, rate limiting (100 req/min per user)

2. Performance Excellence

API Response Time: Sub-200ms for 95% of requests
Database Queries: Optimized with proper indexing, connection pooling
Frontend Rendering: Virtual scrolling, lazy loading, code splitting
Caching Strategy: Multi-layer caching (Redis, CDN, browser cache)
Resource Optimization: Minification, compression, image optimization

3. Maintainability & Scalability

Code Structure: Clean architecture with clear separation of concerns
Error Handling: Comprehensive error boundaries and graceful degradation
Logging: Structured logging with correlation IDs and distributed tracing
Testing: Unit, integration, and E2E test-ready architecture
Documentation: Inline comments, API docs, architecture decision records

📋 Features Implementation Plan

💼 Business Features (Medium Priority)

Signup: Core business logic implementation
Login: Core business logic implementation
Userprofile: Core business logic implementation

🔧 Quality Assurance Gates

Syntax: 100% - Code must compile and run without errors
Security: 90% - No critical vulnerabilities, comprehensive input validation
Architecture: 85% - Follows established patterns, proper separation of concerns
Performance: 80% - Efficient queries, proper error handling, caching strategies
Maintainability: 85% - Clean code, consistent naming, inline documentation

🔌 API Design Standards

RESTful Conventions

Resource Naming: Plural nouns, lowercase with hyphens
HTTP Methods: GET (retrieve), POST (create), PUT (update), DELETE (remove)
Status Codes: Proper HTTP status codes with meaningful error messages
Versioning: URL versioning (/api/v1/) with backward compatibility

Request/Response Format

// Standard Success Response
{
  "success": true,
  "data": {},
  "metadata": {
    "timestamp": "2024-01-15T10:30:00Z",
    "version": "1.0",
    "correlation_id": "uuid"
  }
}

// Standard Error Response
{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "User-friendly error message",
    "details": ["Specific validation failures"]
  },
  "metadata": {
    "timestamp": "2024-01-15T10:30:00Z",
    "correlation_id": "uuid"
  }
}

🗄️ Database Design Principles

Schema Design

Normalization: Third normal form with strategic denormalization for performance
Constraints: Foreign key relationships with proper CASCADE/RESTRICT policies
Indexing: Composite indexes on frequently queried column combinations
Data Types: Appropriate data types with proper constraints and defaults

🚀 Getting Started

Prerequisites

# Node.js & npm (Backend)
node --version  # v18+ required
npm --version   # v9+ required

# Database
# PostgreSQL
psql -U postgres -c 'CREATE DATABASE myapp_dev;'

Development Setup

# 1. Clone and setup backend
cd backend
npm install
npm run migrate
npm run seed
npm run dev  # Starts on port 3000

# 2. Setup frontend  
cd ../frontend
npm install
npm start    # Starts on port 3001

# 3. Setup database
# PostgreSQL
psql -U postgres -c 'CREATE DATABASE myapp_dev;'

🔄 Integration Contracts

Backend Implementation ✅

Generated: 2025-07-24 16:25:10 UTC
Quality Score: 6.666666666666667/10
Files Generated: 3

Key Components:

API Endpoints: 0 RESTful endpoints
Data Models: 0 database models

[This section will be populated as handlers generate code and establish contracts]

Generated by Ultra-Premium Code Generation Pipeline
Quality Standard: Enterprise-grade (8.0+/10)
Last Updated: 2025-07-24 16:22:53 UTC

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