ApiCacheConfig.java

package br.com.zeroth.zth_product_srv.config;

import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

import java.util.concurrent.TimeUnit;

@Configuration
public class ApiCacheConfig implements WebMvcConfigurer {

    @Override
    public void addInterceptors(InterceptorRegistry registry){
        registry.addInterceptor(
                new CacheControlInterceptor());
    }

    private static class CacheControlInterceptor implements HandlerInterceptor{

        @Override
        public boolean preHandle(HttpServletRequest request,
                                 HttpServletResponse response, Object handler){
            response.setHeader(
                    "Cache-Control",
                    "public max-age="+
                            TimeUnit.HOURS.toSeconds(1));
            return true;
        }
    }
}