uml - Are modern REST-Applications 3-Tier-Architecture or 4-Tier

Product Description

I am currently learning UML and Deployment/Component Diagrams and want to model my existing application into a 3- or 4-Tier-Architecture. My App has the following instances: Angular Application Java

Architectural Pattern - an overview

System Design For Beginners — Part II: The 3-Tier Architecture

3-tiered application systems monitor architecture

Three-Tier Architecture

What is a 3-Tier Application Architecture? Definition from

Comparing Three-Layered and Clean Architecture for Web Development

New 3-Tier Architecture [classic]

Overview of all logical packages in the three-tier architecture

Microservice Architecture pattern

System Design For Beginners — Part II: The 3-Tier Architecture

c# - Can I implement the three layer architecture in making UML