Service layer

The Service layer is Pulsar's audience-scoped delivery and orchestration layer. Its concepts keep inbound adapters thin and workflows explicit.

Concepts

Concept	Role
Service	Audience boundary.
Module	Feature slice.
Controller	HTTP inbound adapter.
Request	HTTP validation and authorization.
Resource	Reusable HTTP field shaping.
UseCase	Application workflow.
Operation	Reusable workflow fragment.
Job	Queued inbound adapter.
Command	CLI or scheduler inbound adapter.

Shared rule

Read the inbound-adapter rule before choosing an entrypoint.