In the gateway application, the entire frontend (including the entities in the microservices) will be generated. Since JHipster produces proxy-based microservices, all the frontend code will live in the gateway application:

ProductOrder.Java will remove Invoice as a foreign key as well in comparison to our monolithic application. 

Let's run all the tests to ensure we haven't broken anything from the cherry-picking we have done.

Navigate to the store application folder and run ./gradlew test integrationTest npm_test; it should pass.

Next, we will look at the invoice microservice configurations.