4.0.0 com.alvin springboot-parent pom 1.0-SNAPSHOT common app org.springframework.boot spring-boot-starter-parent 2.1.5.RELEASE UTF-8 UTF-8 1.8 org.projectlombok lombok 1.18.4 com.alibaba fastjson 1.2.56 com.google.code.gson gson 2.8.5 org.springframework.cloud spring-cloud-dependencies Greenwich.SR2 pom import