@Configuration
public class WebConfig {
    //Bean 定義...
}

@Bean
public EmbeddedServletContainerCustomizer containerCustomizer() {
  return new EmbeddedServletContainerCustomizer() {
    @Override
    public void customize(ConfigurableEmbeddedServletContainer container) {
      Ssl ssl = new Ssl();
      //Server.jks中包含服務器私鑰和證書
      ssl.setKeyStore("server.jks");
      ssl.setKeyStorePassword("123456");
      container.setSsl(ssl);
      container.setPort(8443);
    }
  };
}

@Bean
public EmbeddedServletContainerFactory servletContainerFactory() {
  TomcatEmbeddedServletContainerFactory factory =
    new TomcatEmbeddedServletContainerFactory() {
      @Override
      protected void postProcessContext(Context context) {
        //SecurityConstraint必須存在，可以通過其為不同的URL設置不同的重定向策略。
        SecurityConstraint securityConstraint = new SecurityConstraint();
        securityConstraint.setUserConstraint("CONFIDENTIAL");
        SecurityCollection collection = new SecurityCollection();
        collection.addPattern("/*");
        securityConstraint.addCollection(collection);
        context.addConstraint(securityConstraint);
      }
    };
  factory.addAdditionalTomcatConnectors(createHttpConnector());
  return factory;
}
 
private Connector createHttpConnector() {
  Connector connector = new Connector("org.apache.coyote.http11.Http11NioProtocol");
  connector.setScheme("http");
  connector.setSecure(false);
  connector.setPort(8080);
  connector.setRedirectPort(8443);
  return connector;
}