The sample application logs, retrieves, and displays visitor IPs. You can see that a visit is a Cloud Datastore entity of kind Visit, and is saved using the Dataset save method. Then, the ten most recent visits are retrieved in descending order by building a Query, and using the Dataset run method.

Make sure gcloud is installed and authenticated. You can find your project id with gcloud config list.

export GOOGLE_CLOUD_PROJECT=<your-project-id>
bundle
bundle exec ruby ./app.rb

gcloud app deploy

Note: the tests do a live deploy to App Engine

Put a client_secrets.json file for a service account in the root of your repo.

gcloud auth activate-service-account --key-file ../../client_secrets.json
export TEST_DIR=appengine/datastore/
bundle exec rspec