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Build a CrossFit class booking system with class caps, a waitlist and a late-cancel rule, step by step

This story is from 2026-10-20. It is preserved in the archive; the latest stories are on the live feed.

A 6am class with a 14-person cap looks simple until you write down what actually happens around it. Somebody books at 9pm, cancels at 5:40am, and the spot sits empty while three people on the waitlist are still asleep. A drop-in visitor from out of town shows up without having signed the waiver. Tw…

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  1. 2026-10-20 06:25 · DEV Community — AI
    Build a CrossFit class booking system with class caps, a waitlist and a late-cancel rule, step by step

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