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E-Commerce Platform .

Next.js PostgreSQL Stripe
E-Commerce Platform

Project Summary

A modern headless e-commerce platform built with Next.js and Stripe. Features include product catalog, shopping cart, checkout, order management, and an admin dashboard for inventory control.

Key Features

Payment Processing

  • Stripe Checkout for secure payment collection
  • Support for multiple payment methods (cards, Apple Pay, Google Pay)
  • Automatic tax calculation based on shipping address
  • Subscription billing for recurring products

Inventory Management

  • Real-time stock tracking with low-stock alerts
  • Variant management (size, color, etc.)
  • Bulk import/export via CSV
  • Automatic reorder point notifications
// Optimistic inventory locking
async function reserveInventory(productId: string, quantity: number) {
    const result = await db.query(
        'UPDATE products SET stock = stock - $1 WHERE id = $2 AND stock >= $1 RETURNING *',
        [quantity, productId]
    );
    
    if (result.rowCount === 0) {
        throw new Error('Insufficient stock');
    }
    
    return result.rows[0];
}

Tech Stack

  • Frontend: Next.js 14 with App Router, Server Components
  • Backend: Next.js API Routes, PostgreSQL
  • Payments: Stripe API v3
  • Storage: AWS S3 for product images
  • Search: Algolia for fast product search

Performance

  • Core Web Vitals: All green (LCP < 2.5s, FID < 100ms, CLS < 0.1)
  • SEO Score: 95/100 on Lighthouse
  • Product images lazy-loaded with BlurHash placeholders