To run this file just make sure you have maven in there
mvn clean verify
By using serenity.conf , we can run it with different properties , so in each properties will be different.
if you want to run it based on configuration you can run by add some parameter in maven for example
mvn clean verify -Denvironment=staging
After running automation , you can get the report in folder target/site/serenity/index.html and you will get your report