Added BCrypt password encoding.

demo/src/main/java/com/example/demo/config/SecurityConfig.java

@@ -6,6 +6,8 @@ import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.core.userdetails.User;
 import org.springframework.security.core.userdetails.UserDetails;
 import org.springframework.security.core.userdetails.UserDetailsService;
+import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
+import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.security.provisioning.InMemoryUserDetailsManager;
 import org.springframework.security.web.SecurityFilterChain;
 
@@ -15,11 +17,16 @@ public class SecurityConfig {
     public UserDetailsService userDetailsService() {
         UserDetails user = User.builder()
                 .username("admin")
-                .password("{noop}password")
+                .password("$2a$12$JWvSOzs7OeY/WBBrFXfjBuvJ5nzk9ivP4FYZeVN5fYNC8uT9Vxs7W")
                 .build();
         return new InMemoryUserDetailsManager(user);
     }
 
+    @Bean
+    public PasswordEncoder passwordEncoder() {
+        return new BCryptPasswordEncoder();
+    }
+
 //    @Bean
 //    public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
 //        http.csrf(csrf -> csrf.disable())