-install docker-compose
-clone the project
-cd to Project
#sudo mkdir -p data/runtime/db
#sudo mkdir -p data/dump
-set this record in your hostfile : 127.0.0.1 chat.inumio.com chat
#docker-compose up --scale rocketchat=2
-the service is available on : http://chat.inumio.com/ -you can check which conatiner is runnig with : #docker ps
I realized that for scaling services in docker It's pretty better to use docker swarm , but I have'nt time to try it . I almost interested in it , of course kubernetes technology manage it in the best way . but I hope can make some time to try it out .