/** Customize the Servlet engine: Mime types, the document root, the cache. */
 @Override
 public void customize(ConfigurableEmbeddedServletContainer container) {
   MimeMappings mappings = new MimeMappings(MimeMappings.DEFAULT);
   // IE issue, see https://github.com/jhipster/generator-jhipster/pull/711
   mappings.add("html", "text/html;charset=utf-8");
   // CloudFoundry issue, see https://github.com/cloudfoundry/gorouter/issues/64
   mappings.add("json", "text/html;charset=utf-8");
   container.setMimeMappings(mappings);
   // When running in an IDE or with ./mvnw spring-boot:run, set location of the static web assets.
   setLocationForStaticAssets(container);
 }
 private void setLocationForStaticAssets(ConfigurableEmbeddedServletContainer container) {
   File root;
   String prefixPath = resolvePathPrefix();
   if (env.acceptsProfiles(Constants.SPRING_PROFILE_PRODUCTION)) {
     root = new File(prefixPath + "target/www/");
   } else {
     root = new File(prefixPath + "src/main/webapp/");
   }
   if (root.exists() && root.isDirectory()) {
     container.setDocumentRoot(root);
   }
 }
 @Override
 public void customize(ConfigurableEmbeddedServletContainer container) {
   container.setPort(9000);
 }