Slim composition root
Host: Slim 4.15.x (PHP 7.4+ (use 8.2+ in practice)) · Researched 2026-08
One-shot:/apply/slim.full.md· Short:/slim
Use a PSR-11 container (PHP-DI is common with Slim Skeleton).
- Definitions file(s) bind ports → adapters
AppFactory::setContainer($container)- Routes point to UI Action classes that type-hint Use Cases
Composition root files must not contain business rules.