Google Cloud Platform for Developers

Running multiple services locally

With microservice architecture playing such a significant role in building App Engine applications, it's important to be able to perform integration tests between services. There are a number of ways to do this in general, but the App Engine development server provides a convenient method by supporting multiple running services.

To run multiple services simultaneously in the App Engine development server, simply specify each service's configuration file when calling dev_appserver.py. To run our default service and our new colors service together, run the following command from the chapter_04 directory:

dev_appserver.py example_01/app.yaml example_02/app.yaml

When running multiple services, the App Engine ...