Let me walk you through the configuration of NextAuth.js with the modern Full Stack Next.js App (using app router, powered by TailwindCSS & shadcn)
NextAuth.js is a robust, open-source authentication solution tailor-made for Next.js applications, seamlessly blending with Next.js and Serverless environments. It accommodates many popular sign-in options, including email and passwordless sign-ins, making it a versatile choice for developers. Although it demands a bit more effort to configure compared to solutions like Clerk, it rewards users with unmatched control over data management and unparalleled flexibility in customization without incurring extra costs.
In addition to its comprehensive authentication capabilities, which are compatible with any backend system (e.g., Active Directory, LDAP), NextAuth.js is compatible with JSON Web Tokens and database sessions.
A notable feature that enhances its form-handling capabilities is the integration with Zod, a TypeScript-first schema declaration and validation library. By utilizing Zod alongside the Zod resolver with react-hook-form, developers can enforce strong typing and validation for form data seamlessly. This combination streamlines the development process and significantly improves data integrity and user experience by leveraging Zod's schema validation to catch errors early and ensure that only valid data is processed.