SimpleLoggingFilter.java

@Component
public class SimpleLoggingFilter implements GatewayFilter {

    private static final Logger log = LoggerFactory.getLogger(SimpleLoggingFilter.class);

    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
        log.info("Method:{} Host:{} Path:{} QueryParams:{}",
                exchange.getRequest().getMethod(),
                exchange.getRequest().getURI().getHost(),
                exchange.getRequest().getURI().getPath(),
                exchange.getRequest().getQueryParams());
        return chain.filter(exchange);
    }
}