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Use of async functions in JS leads to consistent mistakes; these are the ones I see most often.

When we went remote, we needed to replace the in-office info-radiators that displayed info about the health of our system.

4 bash tricks I find myself using often that I wish I'd discovered sooner.

ClassDojo sends real traffic to canary containers to validate new builds and uses that as part of a system that safely deploys new code multiple times a day.

MongoDB databases often require lots of disk I/O because documents aren't stored in a clustered index and because writing snapshots can saturate disk I/O.

Node's AsyncLocalStorage can dramatically increase monolith legibility and improve performance.

understanding type inference, type narrowing, and structural typing is crucial to writing good TypeScript code.

HyperLogLogs leverage the power of hashing strings into random numbers to create remarkably accurate cardinality estimates.

Logs should be actionable and the default categories of FATAL, ERROR, WARN, INFO, and DEBUG aren't precise enough.

Graceful shutdowns behind a load balancer are hard to do right, but they enable solid auto-scaling and safe frequent deploys.