To start an HDFS/Spark Workbench:
docker network create hadoop
docker-compose up -d
To scale up spark-workers:
docker-compose scale spark-worker=3
When opening Hue, you might encounter NoReverseMatch: u'about' is not a registered namespace
error after login. I disabled 'about' page (which is default one), because it caused docker container to hang. To access Hue when you have such an error, you need to append /home to your URI: http://docker-host-ip:8088/home