consul:
  # use v1.4.0 because https://github.com/hashicorp/consul/issues/5270
  # v1.4.1 cannot be used.
  # waiting for v1.4.2
  image: consul:1.4.0
  command: agent -server -bootstrap-expect 1 -client 0.0.0.0 -log-level debug -ui
  ports:
    - "8400:8400"
    - "8500:8500"
    - "8600:53/udp"
  expose:
    - "8300"
    - "8301"
    - "8301/udp"
    - "8302"
    - "8302/udp"
whoami1:
  image: containous/whoami
whoami2:
  image: containous/whoami
whoami3:
  image: containous/whoami