I wrote a post about Raspberry Pi Surveillance Camera with Linux and Azure, it was using an ASP.NET website for displaying the photos. I made an UWP client App these days, you can download from here
https://www.microsoft.com/store/apps/9nblgggzfnv0 (Because WP is already finished, so I don't provide Windows 10 Mobile package)
It doesn't allow upload photos, because the photos should all come …