spring boot intellij auto reload

<!-- auto build & deploy, add to maven-->
    <dependency>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-devtools</artifactId>
		<optional>true</optional>
	</dependency>

// Intellij, checkbox
File -> Settings –> Build, Execution, Deployment –> 
        Compiler –> Build project automatically