Based by https://www.youtube.com/watch?v=i-hoSg8iRG0 (Amigoscode - Spring Boot Tutorial | Spring Boot Full Stack with React.js | Full Course | 2021)
2021.04.21 I'm adding run config=> Environment variable: AWS_REGION=ap-northeast-2 (On running local env)
2021.04.28 Adding JPA architecture Based by https://www.youtube.com/watch?v=8SGI_XS5OPw&list=PLwvrYc43l1MzeA2bBYQhCWr2gvWLs9A7S (Amigoscode - Spring Boot Tutorial | Spring Data JPA | 2021)