Build a Complete Real-Time Chat with Next.js 16, Redis, Tailwind (2025)

A comprehensive step-by-step tutorial building a privacy-focused real-time chat application using Next.js 16, Redis, and Tailwind CSS. The guide covers setting up Elysia for type-safe API routes, implementing TanStack Query for data fetching, creating dynamic routing patterns, and building features like auto-generated usernames, room creation with automatic 10-minute expiration, and real-time messaging. Includes best practices for project structure, naming conventions, and deployment-ready code patterns.