Developing an iOS app can be time-consuming and frustrating -- writing server-side code, handling servers, designing APIs, etc. Serverless architecture, can help you build web and mobile apps rapidly by delegating common features to the backend API; it lets you focus on creating great user experience and building app functionality rather than managing servers.
An intro and comparison between the top serverless computing frameworks
Create an iOS application and load / save data to the cloud
Build a sample Instagram-like application