testing docker - jenkins

Dockerfile

@@ -1,7 +1,17 @@
-FROM openjdk:14-alpine as builder
-RUN apk add --no-cache maven
-WORKDIR /usr/app/klaus
-COPY ./ ./
-RUN mvn --version
-RUN mvn clean install -B
-CMD mvn spring-boot:run
+FROM openjdk:14-jre-slim as builder
+WORKDIR application
+ADD maven/${project.build.finalName}.jar ${project.build.finalName}.jar
+RUN java -Djarmode=layertools -jar ${project.build.finalName}.jar extract
+
+FROM openjdk:14-jre-slim
+LABEL PROJECT_NAME=${project.artifactId} \
+      PROJECT=${project.id}
+
+EXPOSE 8080
+
+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/ ./
+ENTRYPOINT["java", "-Djava.security.cgd=file:/dev/./urandom", "org.springframework.boot.loader.JarLauncher"]