🚀 CoreStack SaaS Platform (Elite Full-Stack SaaS)

Production-ready multi-tenant SaaS platform with AI assistant, Stripe subscriptions, authentication system, and admin dashboard.

Built as a complete modern SaaS architecture for portfolio & real-world deployment.

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🌍 Live Demo (after deploy)

Frontend:https://corestack-saas-ehlv.vercel.app Backend:https://corestack-saas-1.onrender.com

Demo login: admin@test.com
password: 123456

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🧠 Tech Stack

Frontend:

• Next.js 16
• React
• TypeScript
• Tailwind UI
• Axios

Backend:

• Node.js
• Express
• TypeScript
• PostgreSQL
• Prisma ORM
• JWT Authentication

Payments:

• Stripe subscriptions

AI:

• OpenAI API integration

Security:

• Role-based auth (Admin/User)
• Protected routes
• Rate limiting
• Token usage limits

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✨ Features

🔐 Authentication System

• Register/Login
• JWT auth
• Role system (admin/user)
• Protected routes

💳 SaaS Subscription System

• Free & Pro plans
• Stripe checkout
• Billing page
• Plan upgrade logic

🤖 AI Assistant

• Chat endpoint
• Token usage tracking
• Pro-only access
• OpenAI integration ready

👑 Admin Dashboard

• View users
• Track usage
• Plan management
• Analytics-ready structure

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🏗 Project Structure

corestack-saas/ ├── backend/ (Node API) ├── corestack-frontend/ (Next.js app) └── README.md

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⚙️ Run Locally

Backend

cd backend npm install npm run dev

Frontend

cd corestack-frontend npm install npm run dev

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🔑 Environment Variables

Backend .env

DATABASE_URL= JWT_SECRET= STRIPE_SECRET= STRIPE_PRICE_ID= OPENAI_API_KEY= PORT=5050

Frontend .env.local

NEXT_PUBLIC_API_URL=http://localhost:5050

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🚀 Deployment

Frontend → Vercel
Backend → Render
Database → PostgreSQL

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👨‍💻 Author

Built by Diya Taib Ismahil
Full-Stack Developer | AI Engineer | SaaS Builder

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