docker-compose-autodisc.yaml

# RUN WITH
# docker-compose up --scale add-sub=4 --scale mult-div=3
version: "3.3"

services:
  traefik:
    image: "traefik"
    container_name: "traefik"
    command:
      - "--log.level=DEBUG"
      - "--api.insecure=true"
      - "--providers.docker"
      - "--providers.docker.exposedbydefault=true"
      - "--entrypoints.web.address=:80"
      - "--ping"
    ports:
      - "3030:80"
      - "3031:8080"
    volumes:
      - "/var/run/docker.sock:/var/run/docker.sock:ro"
      # - "./traefik.yml:/etc/traefik/traefik.yml:ro"
      # - "./all.yml:/etc/traefik/all.yml:ro"
    labels:
      - "traefik.enable=true"
      # - "traefik.docker.network=if4031-traefik_default"
    healthcheck:
      test: ["CMD", "traefik", "healthcheck", "--ping"]
    networks:
      - default

  add-sub:
    image: "alvinwilta/add-sub"
    environment:
      - SERVER_HOSTNAME=localhost
      - SERVER_PORT=30
    expose:
      - 30
    command: npm start
    labels:
      - "traefik.http.routers.add-sub-router.service=add-sub"
      - "traefik.http.routers.add-sub-router.entrypoints=web"
      - "traefik.http.services.add-sub.loadbalancer.server.port=30"
      - "traefik.docker.network=if4031-traefik_default"
      - "traefik.http.routers.add-sub.rule=Host(`add.localhost`)"
    networks:
      - default

  mult-div:
    image: "alvinwilta/mult-div"
    environment:
      - hostname=localhost
      - port=31
    expose:
      - 31
    command: npm start    
    labels:
      - "traefik.http.routers.mult-div-router.service=mult-div"
      - "traefik.http.routers.mult-div-router.entrypoints=web"
      - "traefik.http.services.mult-div.loadbalancer.server.port=31"
      - "traefik.docker.network=if4031-traefik_default"
      - "traefik.http.routers.mult-div.rule=Host(`mult.localhost`)"
    networks:
      - default
    
networks:
  default:
    driver: "bridge"
    name: "if4031-traefik_default"