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A few weeks ago I spent most of an evening debugging a postgres connection leak that I was pretty sure I had already debugged. Not a similar one. The same one, in the same service, with the same pgxpo
From ~53 µs/op to 0.40: caching the plan, cutting a check that can't fire, and compiling the dependency graph — a number at every step.
Python does not need a dependency injection container by default. For small applications, direct constructor calls are usually the best option: repo = UserRepository(settings.database_url) email = Ema
A small typed dependency injection approach for apps that outgrow copy-pasted constructors but do not need a full DI framework.
