Build an AI-Powered SaaS with Next.js 16, ChatGPT API & RAG

Contrast React.js, a JavaScript library for building user interfaces, with Next.js, a React-based framework offering server-side rendering, static generation, file-based routing, and distinct data-fetching approaches.

Create a fresh Next.js project using npx create next app, configure Tailwind CSS, and run development server with npm run dev, exploring file structure and build steps.

Define a default root layout and a page.js to render home, about, and profile routes in Next.js. Create functional components with rsc and h1 headings using global and tailwind CSS.

Explore global and module CSS in a Next.js 16 project, adding global styles in layout.js and creating component-scoped module CSS for pages like profile and about.

Explore client-side rendering and server-side rendering in Next.js 16 with a live example that fetches dummy json data using useEffect, renders product details, and contrasts client versus server rendering.

Learn to manage an active link in a Next.js 16 app by using global css and use path name to apply conditional classes on home, about, admin, and contact paths.

Explore how to pass and retrieve query parameters with Next.js Link, using path names, query properties, and use of search params to display name and price on the about page.

Learn to pass and read query data with use search pattern in Next.js navigation, extracting name and price from path name and query, and apply use client to fix rendering.

Learn to programmatically navigate with useRouter in Next.js, using push, replace, refresh, back, forward, and prefetch, pass query params, and manage client-side routing alongside link components.

Explore how to balance server components and client components in Next.js, securing data fetching and database operations on the server while optimizing performance with minimized client bundles.

Explore next.js connection keep alive and http agent options for reusing server connections. Understand compression for rendering content and static files, and how to enable or disable it.

Explore loading google fonts and adding a local sunshine tropical font in a Next.js project, organizing fonts folder, defining font variables, and applying fonts via global styles and component classes.

Set up xampp to run a local mysql database, start apache and mysql, and use phpmyadmin to create the database named book wise for the project.

Create and configure a .env file to manage database url, OpenAI API key, and app settings for a Next.js project running on localhost:3000.

Design a Prisma user table with fields like id, email, password hash, full name, and role. Define enums for user role and subscription status with defaults and field maps.

Continuing the database schema, the lecture defines user, category, book, and book summary tables. It details fields like id, name, slug, description, text, is_active, created_at, and a category-to-book relationship.

Create and push new database tables, like system setting with enum fields, using prisma db push to manage schema updates for an ai-powered saas.

Design a simple home page layout using Tailwind CSS in a Next.js app, outlining header, navigation, and future user and admin dashboards before implementing authentication.

Set up a next.js auth session provider in tsx and enable client-side rendering. Integrate the next-auth react provider into the app layout for authentication in the ai-powered saas project.

Develop password verification by hashing and comparing passwords, return a user object with id, email, full name, role, and subscription tier, and configure jwt tokens and session data for login.