I am am making an app for iOS & Android whose frontend UI is ready. Now I wanted to learn some server side coding to connect my backend with Amazon services.
MY app will feature 1.image upload & download 2. 9Apps storing of data and meta data 3. user registration and stuff
I have no clear idea about server side and cloud coding ? so want you guys push me a bit from where should I begin and how should I begin to make the above features for my app working ?