4.0.0 spring-security-sso-ui spring-security-sso-ui war org.baeldung spring-security-sso 1.0.0-SNAPSHOT org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-starter-security org.springframework.security.oauth.boot spring-security-oauth2-autoconfigure ${oauth-auto.version} org.springframework.boot spring-boot-starter-thymeleaf org.thymeleaf.extras thymeleaf-extras-springsecurity5