Код-ревью: конфигурация платёжного клиента

@SpringBootApplication
@EnableWebMvc
public class ShopApplication {
    public static void main(String[] args) {
        SpringApplication.run(ShopApplication.class, args);
    }
}

@Configuration
public class PaymentConfig {
    @Value("${payments.url}")
    private String url;
    @Value("${payments.timeout}")
    private int timeoutMs;
    private final String apiKey = "sk_live_4f9a1c";

    @Bean
    public ObjectMapper objectMapper() {
        return new ObjectMapper();
    }

    @Bean
    public PaymentClient paymentClient() {
        return new PaymentClient(url, timeoutMs, apiKey);
    }
}

# application.yml
management:
  endpoints:
    web:
      exposure:
        include: "*"