Recently, I integrated Google OAuth login functionality into a project and encountered numerous pitfalls from configuration to deployment. I’ve organized my experience into this article, hoping it will help other developers facing similar challenges. 🎯 Project Background 📋 Complete Configuration Process Step 1: Detailed Configuration in Google Cloud Console This is the first and most…

Learn how to implement multiple middlewares in Next.js step by step. This guide covers authentication middleware, i18n (internationalization), modular middleware structure, and best practices for clean, scalable Next.js applications. When building medium-to-large Next.js applications, we often need to perform some preprocessing before requests enter the application, such as user authentication, internationalization settings, and redirects. Starting…