private static ContainerModelBuilder newContainerModelBuilder(Networking networkingOption) {
        return isConfigServer() ?
                new ConfigServerContainerModelBuilder(new ConfigEnvironmentVariables()) :
                new ContainerModelBuilder(true, networkingOption);
    }
@author Tony Vaagenes
@author gjoranv
@author ollivir
standalone-container/src/main/java/com/yahoo/container/standalone/StandaloneContainerApplication.java