Time-Series Data in PostgreSQL with TimescaleDB
Time-series data appears everywhere: metrics, logs, financial events, sensor readings, and analytics dashboards. Although PostgreSQL can store time-based data, it...
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,...
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...
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...
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...
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...
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,...
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...
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...