Create WAR

package com.alefbt.example;
 
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.context.web.SpringBootServletInitializer;
 
@SpringBootApplication
public class alefbtApplication extends SpringBootServletInitializer {
 
	@Override
    protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
        return application.sources(alefbtApplication.class);
    }
 
	public static void main(String[] args) throws Exception {
		SpringApplication.run(alefbtApplication.class, args);
	}
 
}

	<packaging>war</packaging>
	<properties>
		<start-class>com.alefbt.example.Application</start-class>
	</properties>
	<build>
	 	<finalName>alefbt-example-war-name</finalName>
 
		<plugins>
	                <plugin>
				<artifactId>maven-war-plugin</artifactId>
				<version>2.6</version>
				<configuration>
					<failOnMissingWebXml>false</failOnMissingWebXml>
				</configuration>
			</plugin>
		</plugins>
	</build>
 
        <dependencies>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-web</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-tomcat</artifactId>
			<scope>provided</scope>
		</dependency>
		<dependency>
			<groupId>org.apache.tomcat.embed</groupId>
			<artifactId>tomcat-embed-jasper</artifactId>
			<scope>provided</scope>
		</dependency>
</dependencies>