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Software architecture · Web development

Layered web app package diagram

A layered web application package diagram makes the responsibilities of each architectural layer easy to inspect. Routes handle delivery, application services coordinate use cases, domain classes express business concepts, and infrastructure adapters connect to external systems. Dependencies reveal whether a route reaches into data access or whether a service is doing too much. This is a useful design artifact for a small web service because it stays at the module level and can change as the architecture evolves.

Tipo Diagrama de clases UMLNorma OMG UML 2.5.1 §9–§11Motor schematex-umlclassActualizado 24/9/2026
Layered web app packages
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La solicitud

“Create a layered web app package diagram with routes, application services, domain logic, infrastructure adapters, and dependencies.”

Entonces pruebaAdd an authentication package.Change EmailAdapter to QueueAdapter.
Qué hay en este dibujo

Lee las decisiones que hay detrás.

01Keep routes thin

Route packages invoke application services.

02Protect domain logic

Business objects remain independent of delivery details.

03Contain adapters

Persistence and email sit in infrastructure.

04Show direction

Dependencies should point inward where possible.

Use to review module boundaries and communication paths in a web application.

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Preguntas frecuentes

Preguntas habituales

What is a layered package diagram?

It groups a system by architectural layer and shows how one layer depends on another.

Where do repositories belong?

They are usually infrastructure concerns, even when an interface is referenced by application or domain code.

How detailed should it be?

Show important boundaries and dependencies, not every implementation class.