System Design

What Is Elasticsearch? 10 Simple Things Beginners Must Know
Elasticsearch is an open source search and analytics engine, built on a library called Apache Lucene,…

OAuth Explained: A Simple, Secure Guide to Google Sign-In
What is OAuth? OAuth is a standard way to let one app access your stuff on…

Caching Strategy: What It Is and How to Set It Up (A Vibe Coder’s Guide)
A caching strategy is your plan for what data to store in a fast place, how…
