Google App Engine Documentation

App Engine's environments, the standard environment and the flexible environment (in beta), support a host of programming languages.

Choose your preferred language and environment.

Language	Standard Environment	Flexible Environment
Python	The App Engine standard environment uses custom-built Google containers to wrap your code and run it on Google's infrastructure. Python 2.7 View Python Docs	The App Engine flexible environment (beta) uses standard Docker containers to wrap your code and run it on Google's infrastructure. Python 2.7/3.4 View Python Docs
Java	Java 7 View Java Docs	Java 8 View Java Docs
Php	PHP View PHP Docs	—
Go	Go View Go Docs	Go View Go Docs
Node	—	Node.js View Node.js Docs
Ruby	—	Ruby View Ruby Docs
More	—	Custom Runtimes View Custom Runtimes Docs

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Last updated October 4, 2016.