A docker-compose only configuration for Traefik with swarm?

Traefik Traefik v2
1

Hi,

Is it possible to configure Traefik with docker swarm using only docker-compose.yml?

I have been getting quite confused following various tutorials and examples. This is what I have so far, I can connect to the dashboard but it does not pick up any deployed services:

version: "3.3"

services:
  traefik:
    image: traefik:v2.6
    ports:
      - 80:80
      - 8080:8080
    networks:
      - traefik-net
    command:
      - --api.insecure=true
      - --api.dashboard=true # see https://docs.traefik.io/v2.0/operations/dashboard/#secure-mode for how to secure the dashboard
      - --api.debug=true # enable additional endpoints for debugging and profiling
      - --log.level=DEBUG # debug while we get it working, for more levels/info see https://docs.traefik.io/observability/logs/
      - --providers.docker=true
      - --providers.docker.swarmMode=true
      - --providers.docker.endpoint='unix://var/run/docker.sock'
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
    deploy:
      placement:
        constraints:
          - node.role == manager

networks:
  traefik-net:
    driver: overlay

I have a test service (from a tutorial I found), which has this docker-compose.yml

version: "3.3"

services:

  books:
    image: mlabouardy/books-api
    networks:
      - traefik-net
    deploy:
      placement:
        constraints:
          - node.role == worker
      labels:
          - traefik.http.routers.books.rule=PathPrefix('/books')
          - traefik.http.services.books.loadbalancer.server.port=5000

networks:
  traefik-net:
    driver: overlay

Can anyone see what I'm doing wrong here? Any help would be most appreciated.

Cheers

Rich

3

Your books app isn’t exposing port 5000?
Just for test try adding the label - "traefik.enable=true" to your app container.
You haven’t set any static config elements via env vars have you? It appears setting static config in two places is not supported.
You are missing - "traefik.http.routers.books.service=books this is needed I think before you can use …services.books….

I am new to traefik, so take my suggestions with grain of salt.