download this project and review pom.xml and project folder structures.

1. mvn clean spring-boot:run
2. mvn -Pdev clean spring-boot:run
3. mvn -Pprod clean spring-boot:run

in browser check the url "http://localhost:8080"

Jenkins url "http://ec2-18-223-180-118.us-east-2.compute.amazonaws.com:8080"