Frontend Development React & Next.js Authentication in Next.js with NextAuth.js (Auth.js) Authentication is one of the hardest parts of building web applications correctly. You need secure sessions, provider integrations, protected routes,...
Data Layer Database Database Transactions and Isolation Levels Explained Transactions are the foundation of reliable database systems. Every payment, order, or state change you trust in production depends on...
Frontend Development React & Next.js Server Actions in Next.js: Full-Stack Without an API For years, building full-stack web applications meant drawing a hard line between frontend and backend. Even simple form submissions required...
Data Layer Database Prisma ORM: The Complete Guide for Node.js and TypeScript Prisma has quickly become one of the most popular ORMs in the Node.js ecosystem. Its core promise is simple: type-safe...
Data Layer Database Database Indexing Strategies: B-Tree, Hash, GIN, and GiST Indexes are one of the most powerful performance tools in any database—and one of the easiest to misuse. Adding an...
Data Layer Database Database Connection Pooling: PgBouncer, HikariCP, and Best Practices Database connection pooling is one of those topics that feels optional—until your system falls over. Sudden traffic spikes, slow queries,...
Frontend Development React & Next.js Next.js App Router vs Pages Router: Migration Guide Next.js has gone through one of its biggest architectural shifts with the introduction of the App Router. While the Pages...
Data Layer Database Redis Pub/Sub for Real-Time Applications Real-time applications need fast, simple message delivery. Redis Pub/Sub provides exactly that: lightweight publish–subscribe messaging with extremely low latency. When...
Frontend Development React & Next.js Tailwind CSS Best Practices for React and Next.js Projects Tailwind CSS has become a dominant styling solution for modern React and Next.js projects. Its utility-first approach enables fast development,...