This is Teiid Spring Boot based example as teemplate for any one starting out on new project using the Teiid.
You can clone the project and start adding your datasources in Datasources.java class and corresponding properties
for connection in application.properties and VDB DDL itself if you want create any Views in /resources/teiid.ddl
For more information see the https://github.com/teiid/teiid-spring-boot project, which has many more examples. This particular example is done so that the FAT JAR can be captured in a maven repo, which can then be deployed on a OpenShift/Kubernetes Cloud cluster.