What is Serverless?
They’re Still There, Just Not Your Problem
Serverless is the common way to refer to putting your web application entirely on a platform where maintaining and securing the servers is someone else’s responsibility and not yours. In addition, any backend logic and processing is handled by services also providing backend functions that do not require even a web server to use.
The serverless movement has really increased the amount of raw power a web developer can leverage since such developers are no longer burdened with the hassle of all the infrastructure and can focus entirely on making great applications.