How to integrate authentication, payments, and database functionality into a Next.js SaaS boilerplate

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Sabo

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Ship your SaaS in days with a production-ready boilerplate and beautiful UI. Everything founders spend weeks wiring up is already built in, integrated, and ready to customize. Auth, payments, DB, SEO, emails, analytics, testing, status page, deployment, and more. Tech stack includes Next.js, shadcn/ui, Magic UI, Supabase, Stripe, Resend, PostHog, Better Stack, Playwright, and more.

SaaSboilerplatestarter-kitNext.jsfull-stackauthpaymentsStripeSupabasedeveloper-tools

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What to expect from an ideal product

1. Pre-built authentication system using Supabase that handles user registration, login, password reset, and session management without writing auth logic from scratch
2. Stripe payment integration already configured with checkout flows, subscription handling, and webhook endpoints so you can start accepting payments immediately
3. Supabase database connection set up with user tables, payment records, and subscription status tracking that syncs automatically with your auth and payment systems
4. Email functionality through Resend that sends transactional emails for user verification, payment confirmations, and subscription updates without manual setup
5. Complete user dashboard and admin panels with shadcn/ui components that display subscription status, payment history, and account settings right out of the box

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