Local DB data for user log in and facebook as alternative log in. It leverages facebook oauth2 to login.
https://github.com/chuangtc/spring-boot-2.7-security-social-login
Java 17
spring boot 2.7.5
spring security 5
thymeleaf-extras-springsecurity5
https://www.baeldung.com/facebook-authentication-with-spring-security-and-social