Manual tests of the new APIs and the persistence layer

Now, it is finally time to start everything up and test it manually using the Swagger UI.

Build and start the system landscape with the following command:

cd $BOOK_HOME/Chapter06
./gradlew build && docker-compose build && docker-compose up

Open the Swagger UI in a web browser, http://localhost:8080/swagger-ui.html, and perform the following steps on the web page:

1. Click on product-composite-service-impl and the POST method to expand them.
2. Click on the Try it out button and go down to the body field.
3. Replace the default value, 0,  of the productId field with 123456.
4. Scroll down to the Execute button and click on it.
5. Verify that the returned response code is 200.

Following is a sample screenshot after hitting the Execute button: 

In the log output from the docker-compose...