Alchemy Domain brings domain-driven design and story testing to Effect backends

samgoodwin89 · x · 2026-10-27

Alchemy released Domain, a domain-driven design layer for Effect that translates business requirements directly into working software integrated with Alchemy infrastructure. Inspired by foldkit's story testing, it lets you test backend services in the same language you use to discuss them: the sample shows Story.given/when/then steps with expectCall stubs for an external fraud-scoring system.

Related event: Alchemy Brings Domain-Driven Design to the Effect Ecosystem(3 posts)→

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