Article / Updated 03-27-2020
In a nutshell, Microsoft App Service is a Hypertext Transfer Protocol (HTTP)-based web application hosting service. Think of Microsoft App Service as GoDaddy, but with much more power. The idea is that if you're willing to surrender full control app’s underlying infrastructure (which is what Azure Virtual Machines is for) you’ll receive in exchange
Global replication and geoavailability
Dynamic autoscaling
Native integration into continuous integration/continuous deployment pipelines
Yes, App Service uses virtual machines (VMs) under the hood, but you never have to worry about maintaining them; Microsoft does that for you.