role docker-elk

I decided against using this role for security reasons. I recommend to use another tool if you don’t want to pay for keeping your logs save and if you don’t want to depend on external servers.

see

• https://logz.io/blog/elk-stack-on-docker/

• https://github.com/kevinveenbirkenbach/docker-elk

• https://logz.io/blog/docker-logging/