TL;DR A slow memory leak took down one of my production services at 2am. I spent the first hour guessing and the next hour actually fixing it — once I stopped guessing and started using Claude Code to work through heap snapshots systematically. Here's what actually happened, and the 4 lessons I...
Source: [Dev.to](https://dev.to/yureki_lab/how-i-used-claude-code-to-hunt-down-a-memory-leak-that-took-down-prod-2cpf)