Revisa y mejora creación de imagen Docker

FROM maven:3.5.3-jdk-8

ARG MAVEN_VERSION=3.5.3-jdk-8

FROM maven:${MAVEN_VERSION}

LABEL maintainer="info@redmic.es"

RUN apt-get update && \

  apt-get install -y --no-install-recommends \

    gdal-bin \

    locales \

    libxml2-utils && \

ARG GDAL_BIN_VERSION=2.1.2+dfsg-5 \

	LOCALES_VERSION=2.24-11+deb9u4 \

	LIBXML2_UTILS_VERSION=2.9.4+dfsg1-2.2+deb9u3

RUN apt-get update && apt-get install -y --no-install-recommends \

		gdal-bin=${GDAL_BIN_VERSION} \

		locales=${LOCALES_VERSION} \

		libxml2-utils=${LIBXML2_UTILS_VERSION} && \

	rm -rf /var/lib/apt/lists/*

RUN sed -i -e 's/# es_ES.UTF-8 UTF-8/es_ES.UTF-8 UTF-8/' /etc/locale.gen && \

  dpkg-reconfigure --frontend=noninteractive locales && \

  update-locale LANG=es_ES.UTF-8

ARG LANG=es_ES.UTF-8

ARG DOCKER_VERSION="docker-19.03.14"

RUN sed -i -e 's/# ${LANG} UTF-8/${LANG} UTF-8/' /etc/locale.gen && \

	dpkg-reconfigure --frontend=noninteractive locales && \

	update-locale LANG=${LANG}

RUN wget -P /tmp/ https://download.docker.com/linux/static/stable/x86_64/${DOCKER_VERSION}.tgz && \

  tar -xvf /tmp/${DOCKER_VERSION}.tgz --directory /tmp/ && \

  mv /tmp/docker/docker /usr/local/bin

ENV LANG=${LANG}

ENV DIRPATH="/opt/redmic" \

  LANG="es_ES.UTF-8"

ARG DOCKER_VERSION=19.03.11

RUN mkdir ${DIRPATH}

RUN wget -q -P /tmp/ https://download.docker.com/linux/static/stable/x86_64/docker-${DOCKER_VERSION}.tgz && \

	tar -xf /tmp/docker-${DOCKER_VERSION}.tgz --directory /tmp/ && \

	mv /tmp/docker/docker /usr/local/bin && \

	rm -rf docker-${DOCKER_VERSION}.tgz /tmp/docker

COPY config/settings.xml /root/.m2/

ARG DIRPATH=/opt/redmic

WORKDIR ${DIRPATH}