Building Serverless Authentication in Gatsby

Adding user authentication to static sites does not require a complex backend. By leveraging Gatsby and serverless functions, you can build lightweight, secure login systems directly within your frontend project. This text-based course guides you through the process of setting up serverless endpoints to handle user login, logout, and session states. You will understand how to manage user identity using secure cookies and modern web standards. What you will learn: Understand the fundamentals of serverless architecture and API routes in Gatsby; Build serverless functions to process login and logout requests; Configure secure, HTTP-only cookies to manage user session states safely; Implement client-side route protection based on authentication status; Apply modern security practices, including environment variables for sensitive data; Practice writing and testing serverless endpoints through step-by-step written tutorials. You will start by learning core serverless concepts and setting up your first Gatsby API route, before progressively building out a complete authentication flow. Each concept is reinforced with clear code snippets and written walkthroughs. This course is designed for web developers familiar with basic React and Gatsby who want to learn serverless concepts; no prior backend experience is required. Start reading today to add secure, serverless authentication to your Gatsby projects.