Chapter 2. What Is an Azure App Service?
 | Change is the essential process of all existence. |  |
 | --Mr. Spock, Star Trek |
This chapter defines the details and capabilities of an Azure App Service. The chapter then explores the basics of the four building blocks of an App Service: the web app, mobile app, API app, and logic apps.
We will then introduce our sample solution for a fictional company named Sunny Electrical Manufacturing.
In this chapter you learn the following topics:
- What is an Azure App Service?
- Why you should consider developing applications using App Service
- What are Azure Resource Groups and how should we use them?
- What is an App Service Plan?
- An introduction to our hypothetical company