Basic Traefik reverse proxy with Docker

docker-compose.yml

version: '3'

services:
  # The reverse proxy service (Traefik)
  reverse-proxy:
    # The official v2.2 Traefik docker image
    image: "traefik:v2.2"
    container_name: traefik
    restart: unless-stopped
    # Static Configuration CLI
    # Ref: https://docs.traefik.io/reference/static-configuration/cli/
    command:
      - "--log.level=DEBUG"
      - "--log.format=json"
      - "--api.insecure=true"
      - "--providers.docker=true"
      - "--providers.docker.exposedbydefault=false"
      - "--entrypoints.web.address=:80"
    # Dynamic Configuration
#    command: --configFile=/etc/traefik/traefik.yml
    ports:
      # Expose 80 for inbound HTTP traffic.
      - "80:80"
      # Expose 443 for inbound HTTPS traffic.
#      - "443:443"
      # The Web UI (enabled by --api.insecure=true)
      - "8080:8080"
    networks:
      - traefik
    volumes:
      # So that Traefik can listen to the Docker events
      - "/var/run/docker.sock:/var/run/docker.sock:ro"
      # Mount the directory containing the configuration file
#      - "data/config/traefik.yml:/etc/traefik/traefik.yml"
      # Mount the directory containing the dynamic configuration file 
#      - "data/config/dynamic.config.yml:/etc/traefik/dynamic.config.yml"
      # Mount the directory containing the certs
#      - "data/certs:/etc/certs"

  whoami:
    image: "containous/whoami"
    container_name: "simple-service"
    networks:
      - traefik
    labels:
      # Dynamic configuration with Docker Labels
      # Ref: https://docs.traefik.io/reference/dynamic-configuration/docker/
      - traefik.enable=true
      - traefik.http.routers.whoami-web.rule=Host(`whoami.domain.com`)
      - traefik.http.routers.whoami-web.entrypoints=web
      # if you have multiple ports exposed on the service, specify port in the web-secure service
      - traefik.http.services.whoami-web-secure.loadbalancer.server.port=80

volumes:
  data: {}
  
networks:
  traefik:
    external: true