version: '2' services: etcd: image: quay.io/coreos/etcd:v3.2.9 command: /usr/local/bin/etcd --data-dir=/etcd-data --name node1 --initial-advertise-peer-urls http://etcd:2380 --listen-peer-urls http://0.0.0.0:2380 --advertise-client-urls http://etcd:2379,http://etcd:4001 --listen-client-urls http://0.0.0.0:2379,http://0.0.0.0:4001 --initial-cluster node1=http://etcd:2380 --debug expose: - 2380 - 2379 - 4001 - 7001 whoami1: image: containous/whoami depends_on: - etcd whoami2: image: containous/whoami depends_on: - whoami1 whoami3: image: containous/whoami depends_on: - whoami2 whoami4: image: containous/whoami depends_on: - whoami3