SupaSaaS - NextJS Starter Kit - PostgreSQL Stripe

SupaSaaS – Production-Ready Next.js SaaS Boilerplate

      SupaSaaS is a complete and professionally engineered SaaS starter kit built with modern technologies such as        Next.js 15, Tailwind CSS 4, TypeScript, and Prisma. It includes fully implemented authentication, billing,        email workflows, secure file storage, and a scalable architecture ready for production deployment.        Whether you're launching your own SaaS or building one for a client, SupaSaaS provides everything you need out of the box.    

Core Features

     

• Modern Development Stack: Next.js 15, React, TypeScript, Tailwind CSS 4, Prisma ORM     
• Professional UI: Clean layouts and responsive components powered by shadcn/ui     
• Production-Grade Architecture: Performance-optimized structure and clean code standards     
• Full Documentation: Clear installation, configuration, and customization guides   

Authentication System

     

• Google OAuth: One-click login with a secure OAuth provider     
• Email & Password Login: Traditional credentials system     
• Email Verification: Optional verification workflow     
• Secure Sessions: Powered by NextAuth.js with strong session handling   

Subscription & Billing

     

• Stripe Subscriptions: Fully integrated recurring billing     
• Optimized Checkout: Smooth and secure payment experience     
• Webhook Automation: Real-time billing event synchronization     
• Customer Billing Portal: Users can manage subscription plans and payment information     
• Flexible Pricing: Support for multiple plans and tiers   

Database & Storage

     

• SQL & NoSQL Support: Compatible with MongoDB and PostgreSQL     
• Type-Safe Queries: Prisma ORM ensures high reliability     
• Automatic Migrations: Seamless schema updates     
• Optimized Performance: Efficient data-fetching strategies built in   

Email Infrastructure

     

• Resend & SMTP: Multiple provider support for reliable delivery     
• React Email Templates: Easily customizable and beautifully structured     
• Automated Transactional Emails: User onboarding, notifications, and verification     
• Email Confirmation Flow: Optional extra security layer   

File Handling & Media

     

• AWS S3 Integration: Scalable cloud-based file storage     
• Secure Uploads: Protected server-side validation     
• CDN Support: Fast global delivery     
• Image Optimization: Automated compression and resizing   

Developer-Focused Architecture

     

• Clean Project Structure: Organized, maintainable folder layout     
• Full TypeScript Coverage: Strong type safety throughout     
• Server Actions: Modern data mutation with reduced API complexity     
• Middleware Support: Flexible request and security handling     
• Reusable Hooks: Shared logic for UI and data management   

Deployment & Configuration

     

• Optimized for Vercel: One-click deployment experience     
• Clear Environment Variable Setup: Example files included     
• SSL Included: Automatic HTTPS     
• Custom Domain Support: Professional branding ready   

Documentation

     

• Installation and setup instructions     
• Component, utility, and API references     
• Integration guides for authentication, billing, and storage     
• Troubleshooting and best practices   

Who Is SupaSaaS For?

     

• Developers building commercial SaaS applications     
• Solo founders launching new software products     
• Agencies creating SaaS solutions for clients     
• Startups building MVPs with scalable foundations   

Getting Started

     

1. Clone the project repository     
2. Configure environment variables     
3. Run database migrations     
4. Start development and customize your SaaS   

Technology Overview

     

• Frontend: Next.js, React, TypeScript     
• Styling: Tailwind CSS 4, shadcn/ui     
• Database: Prisma with PostgreSQL/MongoDB     
• Authentication: NextAuth.js     
• Payments: Stripe     
• Email: Resend     
• Storage: AWS S3     
• Hosting: Vercel   

Why Choose SupaSaaS?

      SupaSaaS provides a complete, production-ready SaaS infrastructure that saves months of engineering time.       Instead of building authentication, billing, user dashboards, emails, and storage systems from scratch,       you get a fully functional, extendable foundation ready for real-world applications.    

What’s Included

     

• Full Next.js project source code     
• Database models and migration files     
• Subscription and authentication logic     
• Email templates and processing flows     
• AWS S3 integration     
• Environment configuration examples     
• Documentation for setup, deployment, and customization   

Features

Key Features

 

• Next.js 15 + TypeScript: Modern framework with fast rendering and clean code practices. 
• Authentication System: Google OAuth, email/password login, email verification, and secure sessions. 
• Stripe Billing Integration: Subscription plans, customer portal, webhooks, and automated billing flows. 
• Prisma ORM: Type-safe database queries, migrations, and support for PostgreSQL or MongoDB. 
• Tailwind CSS 4 + shadcn/ui: Professionally styled components and responsive layouts. 
• Email System: Resend + SMTP, React email templates, and automated transactional emails. 
• AWS S3 Storage: Secure file uploads, CDN support, and optimized image handling. 
• Clean Architecture: Modern folder structure, reusable hooks, server actions, and middleware. 
• Vercel Deployment Ready: One-click deployment, HTTPS support, and custom domains. 
• Comprehensive Documentation: Setup guides, environment configuration, and troubleshooting.

Requirements

Requirements

 

• Node.js 18 or higher 
• NPM or Yarn package manager 
• PostgreSQL or MongoDB database 
• Stripe account for subscription billing 
• Resend or SMTP provider for email sending 
• AWS S3 bucket for file and media storage 
• Vercel account (optional but recommended for deployment)

Instructions

Installation & Setup

 

1. Download and extract the project files. 
2. Install dependencies using npm install or yarn install. 
3. Create a .env file based on the provided .env.example. 
4. Configure your database connection inside the environment variables. 
5. Run database migrations using npx prisma migrate deploy. 
6. Configure your Stripe API keys and webhook endpoint. 
7. Set up your SMTP or Resend email provider credentials. 
8. Configure AWS S3 bucket credentials for storage. 
9. Start the development server with npm run dev. 
10. Deploy to Vercel or your preferred hosting service when ready.