Upload files to 'datanode'

datanode/Dockerfile

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+FROM bde2020/hadoop-base:2.0.0-hadoop3.2.1-java8
+
+MAINTAINER Ivan Ermilov <ivan.s.ermilov@gmail.com>
+
+HEALTHCHECK CMD curl -f http://localhost:9864/ || exit 1
+
+ENV HDFS_CONF_dfs_datanode_data_dir=file:///hadoop/dfs/data
+RUN mkdir -p /hadoop/dfs/data
+VOLUME /hadoop/dfs/data
+
+ADD run.sh /run.sh
+RUN chmod a+x /run.sh
+
+EXPOSE 9864
+
+CMD ["/run.sh"]

datanode/run.sh

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+#!/bin/bash
+
+datadir=`echo $HDFS_CONF_dfs_datanode_data_dir | perl -pe 's#file://##'`
+if [ ! -d $datadir ]; then
+  echo "Datanode data directory not found: $datadir"
+  exit 2
+fi
+
+$HADOOP_HOME/bin/hdfs --config $HADOOP_CONF_DIR datanode