testing jenkins docker

Dockerfile

@@ -1,14 +1,18 @@
-FROM openjdk:14 as builder
+FROM maven:3.6.3-jdk-14 as builder
 WORKDIR application
-RUN java -Djarmode=layertools -jar ${project.build.finalName}.jar extract
+COPY ./ ./
+RUN mvn clean install
+
+FROM openjdk:14 as layerBuilder
+WORKDIR application
+ARG JAR_FILE=application/target/*.jar
+COPY --from=builder ${JAR_FILE} application.jar
+RUN java -Djarmode=layertools -jar application.jar extract
 
 FROM openjdk:14
-LABEL PROJECT_NAME=${project.artifactId} \
-      PROJECT=${project.id}
-
 WORKDIR application
-COPY --from=builder application/dependencies/ ./
-COPY --from=builder application/spring-boot-loader/ ./
-COPY --from=builder application/snapshot-dependencies/ ./
-COPY --from=builder application/application/ ./
+COPY --from=layerBuilder application/dependencies/ ./
+COPY --from=layerBuilder application/spring-boot-loader/ ./
+COPY --from=layerBuilder application/snapshot-dependencies/ ./
+COPY --from=layerBuilder application/application/ ./
 ENTRYPOINT ["java", "-Djava.security.cgd=file:/dev/./urandom", "org.springframework.boot.loader.JarLauncher"]