lancekuo/logstash repository overview

6.3.2-1 has ES_HOST to point to any elasticsearch instance you want. 6.3.2-2, try to get ES endpoint from tags or use default. 6.3.2-3, support to deploy in docker swarm.

Just put it in environment variables.

docker run -d --name logstash -p 4670:4670 -p 4670:4670/udp -e ES_HOST=http://host:9200 lancekuo/logstash:6.3.2-1