This image has been deprecated in favor of the official logstash image provided and maintained by elastic.co. The list of images available from Elastic can be found at www.docker.elastic.co. The images found here will receive no further updates once the 6.0.0 release is available upstream. Please adjust your usage accordingly.
Elastic provides open-source support for Logstash via the elastic/logstash GitHub repository and the Docker image via the elastic/logstash-docker GitHub repository, as well as community support via its forums.