Microsoft released a series of tutorials for SharePoint developers. It’s goal is to help developers in coding and deployment of their apps. Tutorials contain sample code and examples to teach junior devs SharePoint development and showcase them features and development techniques of the SP framework.
There are four tutorials already finished:
Furthermore, next 2 steps are in the works:
Step 5: SharePoint Add-In
Step 6: Provider Hosted Add-In
You can find more information on MSDN blog HERE.