message: Use `-p 9000:9000` (and hide 8088) when launch hadoop
diff: @@ -19,7 +19,7 @@ set -o pipefail
  HADOOP_VERSION=2.7.0
  docker pull sequenceiq/hadoop-docker:$HADOOP_VERSION
  -docker run -d --rm --net=host --name=tensorflow-io-hdfs sequenceiq/hadoop-docker:$HADOOP_VERSION
  +docker run -d --rm -p 9000:9000 --name=tensorflow-io-hdfs sequenceiq/hadoop-docker:$HADOOP_VERSION
  echo "Waiting for 30 secs until hadoop is up and running"
  sleep 30
  docker logs tensorflow-io-hdfs
  