Database Migration Strategies That Actually Work in Production

<p>PostgreSQL index design is often misunderstood.</p> <p>Many developers think that creating a good index simply means:</p> <blockquote> <p>“Create an index containing the

<h2> I Thought My Index Would Fix Everything </h2> <p>I added the index.</p> <p>Ran the query.</p> <p>And… nothing changed.</p> <p>Same slow response. Same frustration.</p>

<p>Most applications don't fail because of bad code.</p> <p>They fail because of bad architecture decisions made early that nobody questioned <br /> until it was too late.</p>

<h2> The Quest Begins (The "Why") </h2> <p>Ever had one of those days where your API feels like it’s stuck in quicksand? I was building a simple rate‑limiter for a microservice

<p>In <a href="https://amanksingh.com/blog/production-security-checklist" rel="noopener noreferrer">A Production Security Checklist</a>, I walked through what to lock down before

<blockquote> <p>The pager went off at 2:14 AM.</p> </blockquote> <p>If you’ve spent any time operating distributed systems, you know that sound. It doesn’t just wake you up; it

<p>On January 28, 2026, Moltbook launched to considerable fanfare. The pitch was bold: an "agent-first, human-second" social network where 1.5 million autonomous AI agents could

<p>Hello, I'm Tuan.</p> <p>When backend engineers encounter a slow query, the first instinct is often something like:</p> <blockquote> <p>"Check the WHERE and ORDER BY, then just