Defining App Engine components

The objective of this section is to describe the details of GAE. The nature of the GAE application platform is to provide a serverless application environment that is capable of supporting multiple language runtimes. Runtime support requires that there are two versions of App Engine in existence. A critical difference between these environments relates to the language runtimes supported.

Runtime languages supported

Historically, the GAE runtime only supported a limited number of languages, but this has expanded over time to provide a broader range. A limitation on runtime languages was one of the most common criticisms of the original version of GAE when it was released over a decade ago. This...