# Logstash

Docker image inheritance:
 * shift/java:8
 * shift/ubuntu:15.04
 * ubuntu:15.04

## Volumes

Logstashes configuration directory is `/srv/logstash/config`

## Ports

Exposed ports:
 * 9292/tcp

## Example usage

```
docker run -d \
  --name logstash \
  -e LOGSTASH_TRACE=true \
  -p 9292:9292 \
  -e LOGSTASH_CONFIG_URL=http://example.com/my-logstash.conf \
  --link elasticsearch:elasticsearch \
  shift/logstash:1.5.0 agent
```

The container takes the following:

 * agent - Start the logstash agent.
 * configtest - Tests the configuration file is valid.
 * shell - Gives a Bash shell.

Make sure to use ELASTICSEARCH_HOST and ELASTICSEARCH_PORT if using a `--link`
to Elasticsearch.