FROM openjdk:8-jdk-alpine3.7 AS builder

RUN java -version

COPY . /usr/src/myapp/

WORKDIR /usr/src/myapp/

RUN apk --no-cache add maven && mvn --version

RUN mvn package

FROM openjdk:8-jre-alpine3.7

WORKDIR /root/

COPY --from=builder /usr/src/myapp/target/app.jar .

EXPOSE 8123

ENTRYPOINT ["java", "-jar", "./app.jar"]