Optimizing Docker Compose Load Balancing with Traefik: Scenario and Configuration

Traefik Traefik v3 (latest)
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6

after many hours research I found it

app-test-1:
    build:
      context: /opt/my-app
      dockerfile: ~/scripts/docker/Dockerfile
    image: myapp:build1
    container_name: app-test-1
    networks:
      - backend
    environment:
      - PORT=3000
      - METEOR_SETTINGS
    ports:
      - 3000:3000
    labels:
      - traefik.enable=true
      - traefik.docker.network=backend
      - traefik.http.routers.app-test.rule=Host(`test.mydomain.com`)
      - traefik.http.routers.app-test.entrypoints=web
      - traefik.http.services.app-test.loadbalancer.server.port=3000
      - traefik.http.services.app-test.loadbalancer.sticky=true

  app-test-2:
    build:
      context: /opt/my-app
      dockerfile: ~/scripts/docker/Dockerfile
    image: myapp:build1
    container_name: app-test-2
    networks:
      - backend
    environment:
      - PORT=3002
      - METEOR_SETTINGS
    ports:
      - 3002:3002
    labels:
      - traefik.enable=true
      - traefik.docker.network=backend
      - traefik.http.routers.app-test.rule=Host(`test.mydomain.com`)
      - traefik.http.routers.app-test.entrypoints=web
      - traefik.http.services.app-test.loadbalancer.server.port=3002
      - traefik.http.services.app-test.loadbalancer.sticky=true

if you using you need define every container