The Application Layer, which sits between the Domain and Infra layers, has a single responsibility.
The role of the application layer is handle all use cases for a particular subdomain
Use Cases (also known as Application Services) are objects that perform either a COMMAND or a QUERY against the system. Yes, these are the same commands and queries that we identified using Event Storming, API-first design, or Use Case modeling (as the name implies). We typically name a Use Case…
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