Real-Time Features Need to Match Your Infrastructure, Not Just Your Feature Spec

<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> 1. Intro — The Problem We Actually Had </h2> <p>Building real-time systems is often presented as a distributed systems problem.</p> <p>Kafka, stream processors, event buses,

<p>The thing that breaks before 1,000 users is almost never the code.</p> <p>Not a race condition. Not a memory leak. Not a missing index. Founders assume their app will collapse

<blockquote> <p><strong>Headline:</strong> Vercel Functions can now hold WebSocket connections open directly on Fluid Compute, the same runtime that already serves my regular API

<p>Modern applications thrive on instant updates — from live chats and notifications to collaborative tools and trading dashboards. Traditional HTTP requests can only go so far

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<h1> Google Remy and Meta Hatch: The Technical Architecture Behind 24/7 Personal AI Agents </h1> <p>Two big AI agent stories broke this week that every developer building on top

<p>If a page reads from your database, render it <strong>on demand</strong>, not during the build. Prerendering it means your build container needs a route to Postgres, and on