A flag decouples deploying from releasing, which is genuinely valuable, and it doubles the number of code paths — permanently, unless somebody deletes it. Two flags interacting is…
Two deployables writing the same tables is one service with extra steps. Deciding who owns them is the whole decision, and the intermediate state lasts.
A job class that knows which queue it belongs on has made a deployment decision at the point of definition, and changing it means editing the class. Unrouted…
The same card markup in nineteen templates, each subtly different. A CSS framework gives you classes, not components — and the gap is a macro per component.
The argument about whether an Order has a delivery address or a billing address is two contexts insisting on one word, and the resolution is that they each…
An architectural boundary that exists only in a diagram is a boundary that has already been crossed, and the enforcement is a morning’s work. A violation becomes a…
Pulling a service out of a monolith is a distributed systems problem and a refactoring problem at once, and the refactoring is what determines whether the result is…
A repository interface returning ORM models and accepting query builders has renamed the ORM rather than abstracted it, and swapping the implementation is still impossible. Named methods rather…