None of those things are true. For example for a rest service, https://spring.io/guides/gs/rest-service/ https://spring.io/guides/gs/rest-service/ has everythi

None of those things are true. For example for a rest service, https://spring.io/guides/gs/rest-service/ https://spring.io/guides/gs/rest-service/ has everything you need to get started. A simple pom with a few dependencies, and a main class that invokes SpringApplication.run. You can just invoke this main class from your IDE like any other java application.