springboot如何关掉tomcat容器

public static void main(String[] args) {
  SpringApplication app = new SpringApplication(Application.class);
  app.setWEBApplicationType(WebApplicationType.NONE);
  app.run(args);
 }

		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-web</artifactId>
			<exclusions>
                <exclusion>
                    <artifactId>spring-boot-starter-tomcat</artifactId>
                    <groupId>org.springframework.boot</groupId>
                </exclusion>
            </exclusions>
		</dependency>
			
			 <!--添加servlet的依赖-->
	    <dependency>
	      <groupId>javax.servlet</groupId>
	      <artifactId>javax.servlet-api</artifactId>
	      <scope>provided</scope>
	    </dependency>

		<plugins>
			<!-- <plugin>
		  		<groupId>org.springframework.boot</groupId>
		 		<artifactId>spring-boot-maven-plugin</artifactId>
		  	</plugin> -->
		  	
	  		<plugin>
			    <groupId>org.apache.maven.plugins</groupId>
			    <artifactId>maven-war-plugin</artifactId>
			    <configuration>
			        <warName>springboot</warName>
			    </configuration>
			</plugin>

	<packaging>war</packaging>

@SpringBootApplication
@Configuration  
@ComponentScan(basePackages="com.jubao.dling")   //默认扫描是当前包下的路径
@EnableAutoConfiguration 
public class DlingApplication  extends SpringBootServletInitializer{ 
	public static void main(String[] args) {
		SpringApplication.run(DlingApplication.class, args);
	}	
	 @Override
	    protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
	        return application.sources(DlingApplication.class);
	    } 
}