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このポートフォリオの開発・運用にまつわる記録。
Engineering decisions, product lessons and the occasional postmortem — written by the people doing the work.
Why we build one product at a time instead of one big platform
The case against the all-in-one platform, and what we do instead.
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The on-call checklist every one of our products ships with
Monitoring, backups, and incident response — treated as part of the build, not an afterthought.
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Choosing a lean stack we can still reason about in three years
Why we optimize for maintainability over trend-chasing across the portfolio.
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