• Testing RESTful Web Services - Help | IntelliJ IDEA
• HTTP Client in IntelliJ IDEA Code Editor - Help | IntelliJ IDEA
• IntelliJ의 .http를 사용해 Postman 대체하기
• 프로젝트폴더/.idea/httpRequests/ 에 로그 남음
• Tools → HTTP Client → Test RESTFul Web Service Rest Client 를 사용하여 테스트하는 것도 가능

POST http://localhost:8080/group
Content-Type: application/json

< ./post.json

GET http://localhost:8080/dev/hello
Authorization: DEV