FROM maven:3.6.1-jdk-11-slim as maven WORKDIR /magician-io COPY pom.xml pom.xml COPY src src RUN mvn package -q FROM openjdk:11.0.3-jdk-slim WORKDIR /magician-io COPY --from=maven /magician-io/target/magician-io.jar magician-io.jar COPY --from=maven /magician-io/target/lib lib EXPOSE 8080 CMD ["java", "-jar", "magician-io.jar"]