Web app deploy without Visual Studio

Folks, I have a Blazor app and a Web API that I need to "give" to someone to install in their own Azure subscription. I have only ever published to Azure from Visual Studio via right-click and make some publish profiles. In other cases I would create a Web Setup project and give someone an MSI file, but I doubt if that's useful for deploying to Azure. I've been searching and searching, but most results talk about Visual Studio publish, and a few talk about using DevOps pipelines, but none of those are suitable because the customer has a personal Azure subscription that I can't access. Is there some dotnet command switch to generate some kind of "package"? Maybe there are other options I haven't stumbled on. Thanks, *Greg Keogh*