How to secure REST API with Spring Boot and Spring Security?

Question

I know that securing REST API is widely commented topic but I\'m not able to create a small prototype that meets my criteria (and I need to confirm that these criteria are r

Answer 1

To validate REST API there are 2 ways

1 - Basic authentication using default username and password set up in application.properties file

Basic Authentication

2 - Authenticate using database (userDetailsService) with the actual username and password

Advanced Authentication