💎 Premium SaaS Boilerplate – Next.js + Spring Boot

Stop building auth, payments, and dashboards from scratch.

This is a production-ready, full-stack SaaS starter kit designed for developers who value their time. Skip weeks of repetitive setup and start building your actual product today.

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✨ FEATURES BREAKDOWN

🖥️ USER APP (frontend-user)

Landing & Marketing

• Hero section with animated gradients

• Features grid with icons

• Testimonials section

• CTA sections

• Responsive footer

Authentication

• Google OAuth one-click login

• GitHub OAuth one-click login

• Protected routes

• Auto token refresh

Dashboard

• Overview with stats cards

• Subscription status display

• Project cards

• Responsive sidebar navigation

Billing & Payments

• Pricing page with 3 tiers (Standard, Pro, Enterprise)

• Stripe Checkout integration

• Subscription management

• Payment success/cancel pages

Other Pages

• Documentation page with sidebar

• FAQ page with accordion UI

• Account settings page

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🛠️ ADMIN APP (frontend-admin)

• Admin-only protected routes

• User management overview

• View all registered users

• User role display (USER, ADMIN)

• Stats and metrics display

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⚙️ BACKEND API (backend-api)

Authentication

• JWT token generation & validation

• Google/GitHub OAuth verification

• Role-based access control

User Management

• User registration & profile

• Role assignment

• Admin-only endpoints

Payments

• Stripe Checkout session creation

• Webhook handling

• Subscription status tracking

Security

• Spring Security configuration

• CORS setup

• Protected API endpoints

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🐳 INFRASTRUCTURE

• Docker Compose for MySQL 8.0 + Redis

• Environment-based configuration

• Production-ready setup

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🛠️ TECH STACK

Frontend → Next.js 15, TypeScript, Tailwind CSS v4, shadcn/ui

Backend → Spring Boot 3.4, Java 17, Spring Security, JPA

Database → MySQL 8.0, Redis

Auth → JWT + OAuth 2.0 (Google, GitHub)

Payments → Stripe Checkout & Webhooks

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🎁 WHAT YOU GET

📁 Complete Source Code – Frontend, Backend, Admin, Docs

📖 5 Core Guides – Setup, Customization, Deployment, Features, Architecture

🔧 Config Files – Easy-to-edit pricing, menu, and branding

🐳 Docker Compose – One command to spin up your database

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🚀 PERFECT FOR

• Indie hackers building their next SaaS

• Freelancers starting client projects faster

• Startups validating ideas with an MVP

• Developers tired of boilerplate fatigue

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⚠️ WHAT THIS IS NOT

• ❌ A no-code solution (you need basic React & Java skills)

• ❌ A video course or tutorial

• ❌ Email/password auth (OAuth only for now)

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💬 FAQ

Q: Is this a one-time payment?

A: Yes! Pay once, use forever. No subscriptions.

Q: Can I use this for commercial projects?

A: Absolutely. Build and sell your own SaaS with it.

Q: Do I get updates?

A: Bug fixes and security patches for 12 months.

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📦 INSTANT DOWNLOAD

After purchase, you’ll receive a ZIP file:

• /backend-api – Spring Boot REST API

• /frontend-user – User-facing Next.js app

• /frontend-admin – Admin dashboard

• /docs – Complete documentation

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📚 DOCUMENTATION INCLUDED

• START_HERE.md → Welcome guide

• SETUP.md → 10-minute setup instructions

• CUSTOMIZATION.md → Change colors, pricing, branding

• DEPLOYMENT.md → Production deployment guide

• FEATURES.md → Complete feature list

• GOOGLE_OAUTH_SETUP.md → Google OAuth setup

• GITHUB_OAUTH_SETUP.md → GitHub OAuth setup

• FAQ.md → 50+ questions answered

• ARCHITECTURE.md → System architecture

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Ready to build? Hit the buy button and start shipping. 🚀