Cloud computing is one of the major trends in computing today. Public cloud providers have transformed the high-tech industry and what it means to launch a service from scratch. We no longer need to build our own infrastructure; we can pay the public cloud providers to rent a portion of their resources for our infrastructure needs. Nowadays, walking around any technology conferences or meetups, we will be hard-pressed to find a person who has not learned about, used, or built services based in the cloud. Cloud computing is here, and we better get used to working with it.
There are several service models of cloud computing, roughly divided into Software-as-a-Service (SaaS) (https://en.wikipedia.org/wiki/Software_as_a_service), Platform-as-a-Service (PaaS) (https://en.wikipedia.org/wiki/Cloud_computing#Platform_as_a_service_(PaaS)), and Infrastructure-as-a-Service...
