Learn to take real systems to production on AWS One buildable pattern per issue, no diagram walls, no doc-summary fluff.
Serverless
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Jul 25, 2026
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3 min read
Return the 200 first. Do the slow work after. The shape that survives a spike.
Sep 9, 2026
Availability is the reason everyone gives for a second region, and for a small team it's theater. The reason that isn't is the one nobody uses.
Aug 26, 2026
Lambda is the technically correct call for bursty batch jobs. Here's the threshold that would still send me back to Fargate, and why one job isn't enough to flip it.
Aug 12, 2026
Coinbase's own postmortem got the tradeoff right. The fix it commits to is harder than it sounds, and the postmortem doesn't say how they're solving the actual hard part.
Aug 5, 2026
2 min read
TicketingSailor's health check said everything was fine while the database pool was exhausted underneath it. Liveness and readiness are not the same question.
Jul 30, 2026
I sell an AWS diagramming tool and had never diagrammed my own product. Here's the setup, and the one thing I'd fix first.
