Training Log Pro Docker images Server Client Resources Spring Security https://www.marcobehler.com/guides/spring-security https://docs.spring.io/spring-security/reference/servlet/authentication/preauth.html Examples https://github.com/mayuresh-tech/GlobalTech_Aspire_Backend_Assignment/blob/138fd2e18c6041ad7dccd9a75d458b4300212f0c/Code/GlobalTech_Aspire/src/main/java/com/globaltech/aspire/security/SecurityConfiguration.java https://github.com/jvanheesch/spring-security-header-example/blob/e7b4b3a682fb716f037980a14b9d1630259db88f/src/main/java/com/github/jvanheesch/WebSecurityConfig.java https://github.com/int128/spring-cloud-api-gateway-example/blob/ec4fb108fc59b34fd84f2bb5cf78df230259eb46/api-gateway/src/main/groovy/example/gateway/AppSecurityConfiguration.groovy