For https://github.com/containous/traefik/issues/2009

hw_ext.yml

version: '3.1'

services:
  helloworld:
    image: muresan/node-helloworld:${TAG:-1.0}
    deploy:
      labels:
        traefik.port: "3000"
        traefik.protocol: "http"
        traefik.backend.loadbalancer.sticky: "true"
        traefik.backend.loadbalancer.swarm: "false"
        traefik.docker.network: "lb_ext_proxy"
        traefik.backend: "hw_ext"
        traefik.frontend.rule: "Host:hw-ext.test"
        traefik.frontend.entryPoints: exthttp
      mode: global
      update_config:
        parallelism: 1
        delay: 2s
      placement:
        constraints:
          - node.role == manager
    networks:
      - lb_ext_proxy
    
networks:
  lb_ext_proxy:
    external: true

hw_int.yml

version: '3.1'

services:
  helloworld:
    image: muresan/node-helloworld:${TAG:-1.0}
    deploy:
      labels:
        traefik.port: "3000"
        traefik.protocol: "http"
        traefik.backend.loadbalancer.sticky: "true"
        traefik.backend.loadbalancer.swarm: "false"
        traefik.docker.network: "lb_int_proxy"
        traefik.backend: "hw_int"
        traefik.frontend.rule: "Host:hw-int.test"
        traefik.frontend.entryPoints: inthttp
      mode: global
      update_config:
        parallelism: 1
        delay: 2s
      placement:
        constraints:
          - node.role == manager
    networks:
      - lb_int_proxy
    
networks:
  lb_int_proxy:
    external: true

lb_networks.yml

version: '3.3'

services:
  sleep:
    image: alpine
    deploy:
      mode: global
    command: sleep 30d
    networks:
      - ext_proxy
      - int_proxy


networks:
  int_proxy:
    driver: overlay
    driver_opts:
      encrypted: ""
  ext_proxy:
    driver: overlay
    driver_opts:
      encrypted: ""

traefik.yml

version: '3.3'

services:
  traefik_int:
    image: traefik:1.3-alpine
    deploy:
      mode: global
      placement:
        constraints:
          - node.role == manager
    networks:
      - lb_int_proxy
    volumes:
      - "/var/run/docker.sock:/var/run/docker.sock"
    ports:
      - "80:80"
      - "443:443"
      - "8888:8888"
    command: 
      - --docker
      - --docker.swarmmode
      - --docker.domain=traefik
      - --docker.watch
      - --web
      - --web.address=:8888
      - --configFile=/etc/traefik_int_config.toml
    configs:
      - source: traefik_int_config.toml
        target: /etc/traefik_int_config.toml
  traefik_ext:
    image: traefik:1.3-alpine
    deploy:
      mode: global
      placement:
        constraints:
          - node.role == manager
    networks:
      - lb_ext_proxy
    volumes:
      - "/var/run/docker.sock:/var/run/docker.sock"
    ports:
      - "8080:8080"
      - "8443:8443"
      - "9999:9999"
    command:
      - --docker
      - --docker.swarmmode
      - --docker.domain=traefik
      - --docker.watch
      - --web
      - --web.address=:9999
      - --configFile=/etc/traefik_ext_config.toml
    configs:
      - source: traefik_ext_config.toml
        target: /etc/traefik_ext_config.toml


configs:
  traefik_int_config.toml:
    file: ./traefik_int_config.toml
  traefik_ext_config.toml:
    file: ./traefik_ext_config.toml


networks:
  lb_int_proxy:
    external: true
  lb_ext_proxy:
    external: true

traefik_ext_config.toml

[entryPoints]
  [entryPoints.exthttp]
  address = ":8080"
  [entryPoints.exthttps]
  address = ":8443"

traefik_int_config.toml

[entryPoints]
  [entryPoints.inthttp]
  address = ":80"
  [entryPoints.inthttps]
  address = ":443"