@RequestScope
    @Bean
    public ServerBaseUrlCustomizer microserviceBaseUrlCustomizer(HttpServletRequest request) {
        return serverBaseUrl -> {
            String forwardedPrefix = request.getHeader("X-Forwarded-Prefix");
            return forwardedPrefix == null
                ? serverBaseUrl
                : UriComponentsBuilder.fromUriString(serverBaseUrl).path(forwardedPrefix).build().toString();
        };
    }

@RestController
public class JHipsterOpenApiWebfluxResource extends OpenApiWebfluxResource {

    @Autowired
    public JHipsterOpenApiWebfluxResource(
        ObjectFactory<OpenAPIService> openAPIBuilderObjectFactory,
        AbstractRequestService requestBuilder,
        GenericResponseService responseBuilder,
        OperationService operationParser,
        SpringDocConfigProperties springDocConfigProperties,
        SpringDocProviders springDocProviders,
        SpringDocCustomizers springDocCustomizers
    ) {
        super(
            openAPIBuilderObjectFactory,
            requestBuilder,
            responseBuilder,
            operationParser,
            springDocConfigProperties,
            springDocProviders,
            springDocCustomizers
        );
    }

    @Override
    protected String getServerUrl(ServerHttpRequest serverHttpRequest, String apiDocsUrl) {
        String serverBaseUrl = super.getServerUrl(serverHttpRequest, apiDocsUrl);
        List<String> forwardedPrefix = serverHttpRequest.getHeaders().get("X-Forwarded-Prefix");
        if (forwardedPrefix.size() > 0) {
            return UriComponentsBuilder.fromUriString(serverBaseUrl).path(forwardedPrefix.get(0)).build().toString();
        }
        return serverBaseUrl;
    }
}

@FunctionalInterface
public interface ServerBaseUrlRequestCustomizer {
	String customize(ServerHttpRequest serverBaseUrl);
}

@FunctionalInterface
public interface ServerBaseUrlRequestCustomizer {
	String customize(HttpServletRequest serverBaseUrl);
}