traefik-sample.yml

version: "3.7"
services:
  server:
    image: myserver:latest
    networks:
      - wm-net
    env_file:
      - ./.env
    ports:
      - "8080"
    deploy:
      restart_policy:
        condition: on-failure
      labels:
        - "traefik.docker.network=wm-stack_wm-net"
        - "traefik.port=8080"
        - "traefik.frontend.rule=PathPrefix:/;"
        - "traefik.backend.LoadBalancer.Stickiness=true"
  loadbalancer:
    image: traefik:v1.7
    command: --docker \
      --docker.swarmmode \
      --docker.watch \
      --web \
      --loglevel=DEBUG
    ports:
      - 8080:80
      - 9090:8080
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
    deploy:
      restart_policy:
        condition: any
      mode: replicated
      replicas: 1
      update_config:
        delay: 2s
      placement:
         constraints: [node.role == manager]
    networks:
      - wm-net
networks:
  wm-net:
    driver: overlay