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Thoughts, tutorials, and insights on full-stack development, architecture, and the tools I use.

DatabasePostgreSQLSystem Design

Database Indexing and Read Replicas — A Practical Guide

How to choose the right database indexes, avoid the ones that quietly hurt write performance, and scale reads with replicas without introducing replication lag bugs.

September 8, 2026Read more →

BackendRedisDatabase

Session Stores and Database Connection Pooling Explained

Why in-memory sessions break horizontally scaled apps, how to move session state to Redis correctly, and how connection pooling keeps your database from falling over under concurrent load.

September 8, 2026Read more →