Edge caching, explained

How stale-while-revalidate actually ships bytes faster.

Deploying to 34 regions

What changes when your build fans out across the globe.

The cold-start problem

Warm pools, snapshots, and the myth of the zero-ms boot.

Rolling back in three seconds

Instant aliases, atomic swaps, and why downtime is a choice.

Observability without the bill shock

Sampling, cardinality, and the invoice you never want.