Refer to doc/adr in order to know more about decisions taken in the project.
Just execute the script buildAndStart.sh, from anywhere in the machine (make sure your JAVA_HOME points to JDK 17).
It will trigger the execution of Gradle for building, testing, and ultimately building a new Docker image.
Then, it will use docker-compose to bootstrap the system, including its database.
Please notice that the first run might take some time to run, given that it will perform several verifications and also download the most up-to-date vulnerability database.
Once it's running, you can refer to http://localhost:8080/swagger-ui.html in order to interact with its API's.