about spring boot how to disable web environment correctly

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Starting from Spring Boot 2.0

-web(false)/setWebEnvironment(false) is deprecated and instead Web-Application-Type can be used to specify

  • Application Properties

    spring.main.web-application-type=NONE 
# REACTIVE, SERVLET

  • or SpringApplicationBuilder

    @SpringBootApplication
public class SpringBootDisableWebEnvironmentApplication {

    public static void main(String[] args) {
        new SpringApplicationBuilder(SpringBootDisableWebEnvironmentApplication.class)
            .web(WebApplicationType.NONE) // .REACTIVE, .SERVLET
            .run(args);
   }
}

Where WebApplicationType:

  • NONE – The application should not run as a web application and should not start an embedded web server.
  • REACTIVE – The application should run as a reactive web application and should start an embedded reactive web server.
  • SERVLET – The application should run as a servlet-based web application and should start an embedded servlet web server.

Courtesy: Another SO Answer

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