docker run -d --memory=4096m --name="elasticsearch" -p=9200:9200 -p=9300:9300 elasticsearch
docker run -d --memory=2048m --name="kibana" -p=5601:5601 --link elasticsearch:elasticsearch kibana
docker run -it --rm -e 'input { stdin { } } output { elasticsearch { host => elasticsearch } }' --link elasticsearch:elasticsearch logstash