org.springframework.boot spring-boot-starter-parent 1.5.17.RELEASE 4.0.0 liveness-example 1.0-SNAPSHOT UTF-8 UTF-8 1.8 org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-starter-actuator org.springframework.boot spring-boot-starter-test test org.springframework.boot spring-boot-maven-plugin