content: package io.aiven.klaw.config;
  
  import org.springframework.boot.web.server.ErrorPage;
  import org.springframework.boot.web.server.WebServerFactoryCustomizer;
  import org.springframework.boot.web.servlet.server.ConfigurableServletWebServerFactory;
  import org.springframework.context.annotation.Bean;
  import org.springframework.context.annotation.Configuration;
  import org.springframework.http.HttpStatus;
  import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
  import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
  import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
  
  @Configuration
  public class WebConfig implements WebMvcConfigurer {
  
    public void addViewControllers(ViewControllerRegistry registry) {
      registry.addViewController("/notFound").setViewName("forward:/index.html");
    }
  
    @Bean
    public WebServerFactoryCustomizer<ConfigurableServletWebServerFactory> containerCustomizer() {
      return container -> container.addErrorPages(new ErrorPage(HttpStatus.NOT_FOUND, "/notFound"));
    }
  
    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
      registry
          .addResourceHandler("/static/assets/images/**")
          .addResourceLocations("classpath:/static/assets/images/")
          .setCachePeriod(604800); // 1 week in seconds
    }
  }
  