HOSTIP env var should be defined

docker-compose.yml

#HOSTIP=your.ip.addr.ess docker-compose up

version: '3.2'
services:
  consul:
    image: consul
    ports:
      - "8500:8500"
    environment:
      - SERVICE_8500_IGNORE=true
    networks:
      validators:
        ipv4_address: 172.18.1.77
    command: agent -dev -client=172.18.1.77 -log-level=warn

  registrator:
    depends_on:
      - consul
    image: gliderlabs/registrator
    networks:
      validators:
    volumes:
      - type: bind
        source: /var/run/docker.sock
        target: /tmp/docker.sock
    command: -ip=${HOSTIP} consul://consul:8500

  fabio:
    depends_on:
      - consul
      - registrator
    image: fabiolb/fabio
    networks:
      validators:
        ipv4_address: 172.18.1.10
    ports:
      - "9999:9999"
      - "9998:9998"
    environment:
      - SERVICE_9999_IGNORE=true
      - SERVICE_9998_IGNORE=true
    command: |
      /fabio -insecure=true
      -registry.consul.addr consul:8500
      -proxy.strategy rr
      -log.level=WARN

  validator1:
    depends_on:
      - registrator
    image: dbrain-exonum
    ports:
      - "9000"
      - "8000"
    environment:
      - SERVICE_9000_NAME=exonum-private
      - SERVICE_8000_NAME=exonum-public
      - SERVICE_8000_TAGS=urlprefix-/public/ strip=/public
      - SERVICE_9000_TAGS=urlprefix-/private/ strip=/private
      - SERVICE_8000_CHECK_TCP=true
      - SERVICE_9000_CHECK_TCP=true
      - SERVICE_8000_CHECK_INTERVAL=15s
      - SERVICE_9000_CHECK_INTERVAL=15s

    networks:
      validators:
        ipv4_address: 172.18.1.1
    volumes:
      - type: bind
        source: ./tmp/config/config_1.toml
        target: /config.toml
      - type: bind
        source: ./tmp/db/1
        target: /db

  validator2:
    depends_on:
      - registrator
    image: dbrain-exonum
    ports:
      - "9000"
      - "8000"
    environment:
      - SERVICE_9000_NAME=exonum-private
      - SERVICE_8000_NAME=exonum-public
      - SERVICE_8000_TAGS=urlprefix-/public/ strip=/public
      - SERVICE_9000_TAGS=urlprefix-/private/ strip=/private
      - SERVICE_8000_CHECK_TCP=true
      - SERVICE_9000_CHECK_TCP=true
      - SERVICE_8000_CHECK_INTERVAL=15s
      - SERVICE_9000_CHECK_INTERVAL=15s

    networks:
      validators:
        ipv4_address: 172.18.1.2
    volumes:
      - type: bind
        source: ./tmp/config/config_2.toml
        target: /config.toml
      - type: bind
        source: ./tmp/db/2
        target: /db
  validator3:
    depends_on:
      - registrator
    image: dbrain-exonum
    ports:
      - "9000"
      - "8000"
    environment:
      - SERVICE_9000_NAME=exonum-private
      - SERVICE_8000_NAME=exonum-public
      - SERVICE_8000_TAGS=urlprefix-/public/ strip=/public
      - SERVICE_9000_TAGS=urlprefix-/private/ strip=/private
      - SERVICE_8000_CHECK_TCP=true
      - SERVICE_9000_CHECK_TCP=true
      - SERVICE_8000_CHECK_INTERVAL=15s
      - SERVICE_9000_CHECK_INTERVAL=15s
    networks:
      validators:
        ipv4_address: 172.18.1.3
    volumes:
      - type: bind
        source: ./tmp/config/config_3.toml
        target: /config.toml
      - type: bind
        source: ./tmp/db/3
        target: /db
  validator4:
    depends_on:
      - registrator
    image: dbrain-exonum
    ports:
      - "9000"
      - "8000"
    environment:
      - SERVICE_9000_NAME=exonum-private
      - SERVICE_8000_NAME=exonum-public
      - SERVICE_8000_TAGS=urlprefix-/public/ strip=/public
      - SERVICE_9000_TAGS=urlprefix-/private/ strip=/private
      - SERVICE_8000_CHECK_TCP=true
      - SERVICE_9000_CHECK_TCP=true
      - SERVICE_8000_CHECK_INTERVAL=15s
      - SERVICE_9000_CHECK_INTERVAL=15s
    networks:
      validators:
        ipv4_address: 172.18.1.4
    volumes:
      - type: bind
        source: ./tmp/config/config_4.toml
        target: /config.toml
      - type: bind
        source: ./tmp/db/4
        target: /db
networks:
  validators:
    ipam:
      config:
        - subnet: 172.18.0.0/16