Simple job executor using SpringBoot.
$ mvn clean install
$ mvn spring-boot:run -f dt-web-app
$ curl -X POST http://localhost:8080/rest/jobs/workers/size/2
$ curl -X POST http://localhost:8080/rest/jobs/WaitFor20Second
$ curl -X POST http://localhost:8080/rest/jobs/CalculatePi
$ curl -X POST http://localhost:8080/rest/jobs/FailImmediately