Topic: cold start

Cloud Run cold starts for Express

A scale-to-zero service pays for its first request after idle with a cold start. Where the time goes for a typical Node and Express app, how to measure it honestly, the changes that help (and the ones that do not), and the arithmetic for min-instances.

What a small Cloud Run site really costs

How Cloud Run bills a low-traffic Node.js site, why min-instances 0 keeps it near zero, what a cold start costs you in latency, how memory and max-instances settings change the bill, and the small charges people forget: image storage, egress and the build.