Physical View

The physical view shows how the software will be installed into physical hardware. For web services, we often talk about a Continuous Integration and Continuous Deployment (CI/CD) pipeline. This means that a change to the software is tested as a unit, integrated with the existing applications, tested as an integrated whole, then deployed for the users.

Web application server

While it’s common to assume a website, this can also be deployed as a command-line application. It might be run on a local computer. It might also be run on a computer in the cloud. Another choice is to build a web application around the core classifier. The following diagram shows a view of a web application server: