<dependency>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-starter-web</artifactId>
      	<exclusions>
        	<exclusion>
          		<groupId>org.springframework.boot</groupId>
          		<artifactId>spring-boot-starter-tomcat</artifactId>
        	</exclusion>
      	</exclusions>

</dependency>
<dependency>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-starter-undertow</artifactId>
</dependency>