Update Dockerfile, cuz I suck
Update Dockerfile, cuz I suck

Brandywine2161/docker-elk-1,blacktop/docker-elk,michalkolodziejski/docker-elk,dragethy/trealop,dskatz/docker-elk,blacktop/docker-elastic-stack,blacktop/docker-elastic-stack,dvitonis/docker-elk,dragethy/trealop,michalkolodziejski/docker-elk,Brandywine2161/docker-elk-1,dvitonis/docker-elk,dskatz/docker-elk,blacktop/docker-elk