CustomBeanConfiguration

AuthService.java

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.client.RestTemplate;

@Service
public class AuthService {
    private final RestTemplate customRestTemplate;

    @Autowired
    public AuthService(RestTemplate customRestTemplate) {
        this.customRestTemplate = customRestTemplate;
    }

    // Use the customized RestTemplate in your service
}

CustomBeanConfiguration.java

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.client.RestTemplate;

@Configuration
public class CustomBeanConfiguration {

   @Bean
    public RestTemplate customRestTemplate() {
        RestTemplate restTemplate = new RestTemplate();
        // Customize the RestTemplate with connection timeout
        restTemplate.setRequestFactory(new SimpleClientHttpRequestFactory());
        ((SimpleClientHttpRequestFactory) restTemplate.getRequestFactory()).setConnectTimeout(connectionTimeout);
        return restTemplate;
    }
}