Run Spring Boot app on 2 ports

I use Spring boot almost daily and I had a very particular case to run a single Spring boot application on multiple ports.

To be specific I required to run same app on two ports simultaneously:-

➫ TLS = 8453

➫ MTLS = 8443

I was not sure how to do it until quite recently when I figured out an option using the config shared below:-

Main set of config and beans

// for the normal http port
@Bean
@ConditionalOnProperty(value = "server.second.secured", havingValue = "false")
public ServletWebServerFactory servletContainer(@Value("${server.second.server.port}") int httpPort) {
    Connector connector = new Connector(TomcatServletWebServerFactory.DEFAULT_PROTOCOL);
    connector.setPort(httpPort);

    TomcatServletWebServerFactory tomcat = new TomcatServletWebServerFactory();
    tomcat.addAdditionalTomcatConnectors(connector);
    return tomcat;
}

// for https port
@Bean
@ConditionalOnProperty(value = "server.second.secured", havingValue = "true", matchIfMissing = true)
public ServletWebServerFactory servletContainerSecured(@Value("${server.second.server.port}") int httpsPort,
                                                       ServerProperties serverProperties) {
    try {
        Connector connector = new Connector(TomcatServletWebServerFactory.DEFAULT_PROTOCOL)…