Dockerfile

FROM openjdk:8-jdk

RUN mkdir -p /opt/data
RUN mkdir -p /opt/jenkins
VOLUME [ "/opt/data", "/opt/jenkins" ]
WORKDIR /opt/data

ARG MAVEN_VERSION=3.5.4
ARG USER_HOME_DIR="/root"
ARG SHA=ce50b1c91364cb77efe3776f756a6d92b76d9038b0a0782f7d53acf1e997a14d
ARG BASE_URL=https://apache.osuosl.org/maven/maven-3/${MAVEN_VERSION}/binaries

RUN mkdir -p /usr/share/maven /usr/share/maven/ref \
  && curl -fsSL -o /tmp/apache-maven.tar.gz ${BASE_URL}/apache-maven-${MAVEN_VERSION}-bin.tar.gz \
  && echo "${SHA}  /tmp/apache-maven.tar.gz" | sha256sum -c - \
  && tar -xzf /tmp/apache-maven.tar.gz -C /usr/share/maven --strip-components=1 \
  && rm -f /tmp/apache-maven.tar.gz \
  && ln -s /usr/share/maven/bin/mvn /usr/bin/mvn

ENV MAVEN_HOME /usr/share/maven
ENV MAVEN_CONFIG "$USER_HOME_DIR/.m2"

COPY docker/mvn-entrypoint.sh /usr/local/bin/mvn-entrypoint.sh
RUN chmod +x /usr/local/bin/mvn-entrypoint.sh
COPY docker/settings-docker.xml /usr/share/maven/ref/

EXPOSE 4444

ENTRYPOINT ["/usr/local/bin/mvn-entrypoint.sh"]
CMD ["mvn"]