@Configuration
@EnableWebSecurity
public class SecurityConfig {

    @Bean
    SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
        http
            .csrf(csrf -> csrf.disable())
            .authorizeHttpRequests(auth -> auth
                .requestMatchers("/auth/login", "/api/public").permitAll()
                .anyRequest().authenticated())
            .oauth2ResourceServer(oauth2 -> oauth2.jwt(jwt -> {}));
        return http.build();
    }
}