When a downstream service starts failing, the worst thing you can do is keep calling it. Retries pile up, threads block, queues grow, and a slow dependency turns into a full outage. The circuit breaker is the dumb little state machine that says 'stop' -- and it's the difference between a degraded service and a dead one.
Engineering Craft
TypeScript, CI/CD, databases, observability -- the skills that make code production-ready.
