This content is no longer current. Our recommendation for up to date content: https://docs.microsoft.com/en-us/windows-server/get-started/nano-in-semi-annual-channel
In this demo video, Refaat Issa, Senior Program Manager on the Nano Server team, walks you through the experience for a developer wishing to build and deploy an application to Nano Server. Refaat uses Visual Studio to build and debug a simple application running on Nano Server.
For further information, make sure you check out the Nano Server documentation.
And don't forget, if you're looking for comprehensive training on Nano Server, head on over to the Microsoft Virtual Academy, for a 'Deep Dive into Nano Server'