dockerfile for spring boot application

FROM java:8-jdk-alpine

ARG JAR_FILE=target/*.jar

COPY ${JAR_FILE}  /usr/app/app.jar

WORKDIR /usr/app

RUN sh -c 'touch demo-docker-0.0.1-SNAPSHOT.jar'

ENTRYPOINT ["java","-jar","demo-docker-0.0.1-SNAPSHOT.jar"]