[gradle] Spring Cloud Gateway Header 변경

CustomFilter

request Header에 추가하기

public class CustomFilter extends AbstractGatewayFilterFactory<CustomFilter.Config>{
	
    public GatewayFilter apply(Config config){
    	return ((exchange, chain) -> {
        
        	exchange.getRequest().mutate().header("키", "값").build();
            
            return chain.filter(exchange);
        });
    }
}