FROM ubuntu:16.04 ENV ZK_USER=mrzookeeper \ ZK_DATA_DIR=/var/lib/zookeeper/data \ ZK_LOG_DIR=/var/log/zookeeper \ JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64 ARG ZK_DIST=zookeeper-3.4.9 RUN set -x \ && apt-get update \ && apt-get install -y openjdk-8-jre-headless wget netcat-openbsd \ && wget -q "http://archive.apache.org/dist/zookeeper/$ZK_DIST/$ZK_DIST.tar.gz" \ && wget -q "http://archive.apache.org/dist/zookeeper/$ZK_DIST/$ZK_DIST.tar.gz.asc" \ && tar -xzf "$ZK_DIST.tar.gz" -C /opt \ && rm -r "$ZK_DIST.tar.gz" "$ZK_DIST.tar.gz.asc" \ && ln -s /opt/$ZK_DIST /opt/zookeeper \ && rm -rf /opt/zookeeper/CHANGES.txt \ /opt/zookeeper/README.txt \ /opt/zookeeper/NOTICE.txt \ /opt/zookeeper/CHANGES.txt \ /opt/zookeeper/README_packaging.txt \ /opt/zookeeper/build.xml \ /opt/zookeeper/config \ /opt/zookeeper/contrib \ /opt/zookeeper/dist-maven \ /opt/zookeeper/docs \ /opt/zookeeper/ivy.xml \ /opt/zookeeper/ivysettings.xml \ /opt/zookeeper/recipes \ /opt/zookeeper/src \ /opt/zookeeper/$ZK_DIST.jar.asc \ /opt/zookeeper/$ZK_DIST.jar.md5 \ /opt/zookeeper/$ZK_DIST.jar.sha1 \ && apt-get autoremove -y wget \ && rm -rf /var/lib/apt/lists/* # Copy configuration generator script to bin COPY scripts /opt/zookeeper/bin/ # Create a user for the zookeeper process and configure file system ownership # for necessary directories and symlink the distribution as a user executable RUN set -x \ && mkdir -p $ZK_DATA_DIR $ZK_LOG_DIR /usr/share/zookeeper /tmp/zookeeper /usr/etc/ \ && ln -s /opt/zookeeper/conf/ /usr/etc/zookeeper \ && ln -s /opt/zookeeper/bin/* /usr/bin \ && ln -s /opt/zookeeper/$ZK_DIST.jar /usr/share/zookeeper/ \ && ln -s /opt/zookeeper/lib/* /usr/share/zookeeper RUN chmod -R 777 /opt/zookeeper/bin ENTRYPOINT /opt/zookeeper/bin/start-zookeeper.sh EXPOSE 2181 2888 3888 RUN useradd $ZK_USER \ && [ `id -u $ZK_USER` -eq 1000 ] \ && [ `id -g $ZK_USER` -eq 1000 ] \ && chown -R $ZK_USER:$ZK_USER /opt/$ZK_DIST/ /opt/zookeeper/ /var/lib/ /var/log/ /tmp/zookeeper/ USER $ZK_USER