Welcome to PaalStack Next.js Starter

A production-ready Next.js 16 starter with Supabase integration template built with React 19, Tailwind CSS v4, and @paalstack/react-ui — the official foundation for all PaalStack applications.

Next.js 16 App Router

Built with the latest Next.js App Router, Server Components, and streaming support for optimal performance and developer experience.

React 19

Leverages React 19 with Server Actions, improved hydration, and the latest concurrent features for responsive UIs.

Tailwind CSS v4

Utility-first CSS with Tailwind v4 and @paalstack/react-ui design tokens for consistent, themeable styling across your app.

TanStack Query

Powerful async state management for server data with caching, background refetching, optimistic updates, and DevTools.

Zustand

Lightweight, flexible client state management with devtools integration and localStorage persistence out of the box.

TypeScript Strict

Strict TypeScript configuration with comprehensive ESLint flat config, Prettier formatting, and import order enforcement.

Vitest + Playwright

Unit and integration testing with Vitest and React Testing Library, plus end-to-end testing with Playwright.

Auth Ready

Authentication scaffold with clear integration points for NextAuth.js, Clerk, Auth0, or AWS Cognito — your choice.

Environment Validation

Strict runtime environment variable validation using @t3-oss/env-nextjs and Zod — misconfigured deployments fail fast.