FROM ubuntu:20.04

ENV DEBIAN_FRONTEND=noninteractive

RUN apt-get update \
    && apt-get install -y openjdk-8-jdk maven \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

ENV JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64

# COPY settings.xml /usr/share/maven/ref/settings.xml

ENV MAVEN_HOME=/usr/share/maven
ENV MAVEN_CONFIG=/root/.m2

ENV PATH=$MAVEN_HOME/bin:$PATH

RUN mkdir -p $MAVEN_CONFIG

VOLUME $MAVEN_CONFIG

VOLUME /root/.m2/repository

CMD ["mvn", "-version"]

