Since both Image Resize Request Producer and Image Resize Request Consumer need to run as console applications, which shouldn't run inside a web container, such as Tomcat, Jetty, a slightly different bootstrapping code, is used in the main methods, as follows:

public static void main(String... args) {
    new SpringApplicationBuilder(ConfigClass.class).web(WebApplicationType.NONE).build().run(args);
}

In the preceding code, the SpringApplicationBuilder builder class is used to non-web the Spring Boot application. ConfigClass.class needs to be replaced with the actual configuration class that defines the beans. Finally, it is built and run.