Tutum.co stack yaml to create a crate.io cluster

crate.yml

proxy:
  image: tutum/haproxy
  environment:
    - BACKEND_PORT=4200
  ports:
    - "4200:80"
  links:
    - crate
  roles:
    - global

crate:
  image: 'crate:latest'
  deployment_strategy: high_availability
  target_num_containers: 3
  environment:
    - CREATE_HEAP_SIZE=1g
  command: >
    crate 
      -Des.cluster.name=mynewcluster
      -Des.network.publish_host=_ethwe:ipv4_
      -Des.network.bind_host=0.0.0.0
      -Des.discovery.zen.minimum_master_nodes=2