If you are beginning your journey with Senzing, please start with Senzing Quick Start guides.
You are in the Senzing Garage where projects are "tinkered" on. Although this GitHub repository may help you understand an approach to using Senzing, it's not considered to be "production ready" and is not considered to be part of the Senzing product. Heck, it may not even be appropriate for your application of Senzing!
The senzing/test docker image is used for testing non-Senzing docker ideas.
It is not a docker image used to demonstrate Senzing.
test