Docker compose traefik com not found!

docker-compose.yml

version: '3.7'

services:
  traefik:
    image: traefik:1.7-alpine # The official Traefik docker image
    command: >
      --api
      --docker
      --docker.domain=localhost
      --logLevel=DEBUG 
    # Enables the web UI and tells Træfik to listen to docker
    ports:
      - "80:80"     # The HTTP port
      - "8080:8080" # The Web UI (enabled by --api)
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock:ro # So that Traefik can listen to the Docker events
    labels:
      - traefik.backend=traefik
    networks:
      - ambientes

  servico1:
    depends_on: 
      - traefik
    image: httpd:alpine
    labels:
      - traefik.backend=raiz
      - traefik.frontend.rule=Host:servico1.localhost
      - traefik.frontend.port=80
    networks:
      - ambientes

  ambiente-nao-localizado:
    depends_on: 
      - traefik
    image: nginx:alpine
    labels:
      - traefik.backend=ambiente-nao-encontrado
      # Baixa prioridade para pegar todos os subdomínios não definidos
      - traefik.frontend.rule=HostRegexp:{subdomain:.+}.localhost
      - traefik.frontend.priority=1
      - traefik.frontend.port=80
    networks:
      - ambientes
    volumes:
      - ./ambiente-nao-localizado:/usr/share/nginx/html:ro

  # Baseado em
  #  - https://logz.io/blog/docker-logging/
  #  - https://blog.jhink.com/centralize-docker-logs-using-elastic-stack-e55670bfb714
  #  - https://github.com/ludekvesely/docker-logspout-elk/blob/master/docker-compose.yml
#  teste-elk:
#    image: gliderlabs/logspout
#    command: syslog+tls://:5000
#    volumes:
#      - /var/run/docker.sock:/var/run/docker.sock:ro

networks:
  ambientes:
    name: ambientes
    driver: bridge