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FROM openjdk:11.0.4

ARG MAVEN_VERSION=3.6.2
ARG USER_HOME_DIR="/root"
ARG BASE_URL=http://mirrors.tuna.tsinghua.edu.cn/apache/maven/maven-3/${MAVEN_VERSION}/binaries

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

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

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

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

#! /bin/sh -eu

# Copy files from /usr/local/maven/ref into ${MAVEN_CONFIG}
# So the initial ~/.m2 is set with expected content.
# Don't override, as this is just a reference setup

copy_reference_files() {
  local log="$MAVEN_CONFIG/copy_reference_file.log"
  local ref="/usr/share/maven/ref"

  if mkdir -p "${MAVEN_CONFIG}/repository" && touch "${log}" > /dev/null 2>&1 ; then
      cd "${ref}"
      local reflink=""
      if cp --help 2>&1 | grep -q reflink ; then
          reflink="--reflink=auto"
      fi
      if [ -n "$(find "${MAVEN_CONFIG}/repository" -maxdepth 0 -type d -empty 2>/dev/null)" ] ; then
          # destination is empty...
          echo "--- Copying all files to ${MAVEN_CONFIG} at $(date)" >> "${log}"
          cp -rv ${reflink} . "${MAVEN_CONFIG}" >> "${log}"
      else
          # destination is non-empty, copy file-by-file
          echo "--- Copying individual files to ${MAVEN_CONFIG} at $(date)" >> "${log}"
          find . -type f -exec sh -eu -c '
              log="${1}"
              shift
              reflink="${1}"
              shift
              for f in "$@" ; do
                  if [ ! -e "${MAVEN_CONFIG}/${f}" ] || [ -e "${f}.override" ] ; then
                      mkdir -p "${MAVEN_CONFIG}/$(dirname "${f}")"
                      cp -rv ${reflink} "${f}" "${MAVEN_CONFIG}/${f}" >> "${log}"
                  fi
              done
          ' _ "${log}" "${reflink}" {} +
      fi
      echo >> "${log}"
  else
    echo "Can not write to ${log}. Wrong volume permissions? Carrying on ..."
  fi
}

owd="$(pwd)"
copy_reference_files
unset MAVEN_CONFIG

cd "${owd}"
unset owd

exec "$@"

<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0
                      https://maven.apache.org/xsd/settings-1.0.0.xsd">
  <localRepository>/usr/share/maven/ref/repository</localRepository>
  <mirrors>
    <mirror>
        <!--This sends everything else to /public -->
        <id>aliyun-nexus</id>
        <mirrorOf>*</mirrorOf>
        <url>https://maven.aliyun.com/nexus/content/groups/public/</url>
    </mirror>
    <mirror>
        <!--This is used to direct the public snapshots repo in the
                                      profile below over to a different nexus group -->
        <id>aliyun-nexus-public-snapshots</id>
        <mirrorOf>public-snapshots</mirrorOf>
        <url>https://maven.aliyun.com/nexus/content/repositories/apache-snapshots/</url>
      </mirror>
    </mirrors>
</settings>

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5、原文链接：blog.slogra.com/post-764.html

标签: centos 编译 maven docker