I've just upgraded an ASP.NET Core 1.1 web application to 2.0 and tested without issue locally. However, when the site is deployed to Azure a POST request that worked locally results in a 404 (I guess this could be the same for all POST requests, but I'm unable to log-in due to the issue).
Any ideas why this might fail to be working when deployed to Azure but working perfectly when run through IIS Express locally?
I deleted the original deployment slot on Azure and re-created as initially deploying over the slot mixed old 1.1 DLL's with the newer 2.0 DLL's and prevented the site working at all.