Dockerfile

FROM maven:3.6.0-jdk-8-slim AS builder

WORKDIR /home/app/shared

RUN mkdir -p /home/app/shared

COPY shared/pom.xml /home/app/shared
RUN mvn dependency:go-offline

COPY shared/src /home/app/shared/src 
RUN mvn install 

WORKDIR /home/app

COPY pom.xml .
RUN mvn dependency:go-offline

COPY src src/
RUN mvn clean package

FROM openjdk:8-slim 

WORKDIR /root

COPY --from=builder /home/app/target/dataStorage.jar /dataStorage.jar

ENV MONGO_HOST=mongodb \
    MONGO_PORT=27017 \
    MONGO_DBNAME=urbanite \
    OPENTSDB_URL=http://opentsdb:4242

EXPOSE 80
CMD ["java","-jar","/dataStorage.jar"]