The Google Cloud SDK provides you the
gcloud command-line tooling for
deploying and managing your apps.
By downloading, you agree to be bound by the Terms that govern use of the SDK for App Engine.
To install the SDK and configure your environment for developing on Custom Runtime:
Download, install, and then initialize the Google Cloud SDK:
Download and install Git for access to code, samples, libraries, and tools in GitHub:
To locally test and run your App Engine custom runtime apps, download and install Docker:
Don't forget to set up your environment, for example, install a version of your custom runtime and your preferred tooling.