docker-pi-hole/docker-compose-traefik-proxy.md

Please note the following about this traefik example for Docker Pi-hole

• Still requires standard Pi-hole setup steps, make sure you've gone through the README and understand how to setup Pi-hole without traefik first
• Update these things before using:
  • set instances of homedomain.lan below to your home domain (typically set in your router)
  • set your Pi-hole ENV WEBPASSWORD if you don't want a random admin pass
• This works for me, Your mileage may vary!
• For support, do your best to figure out traefik issues on your own:
  • by looking at logs and traefik web interface on port 8080
  • also by searching the web and searching their forums/docker issues for similar question/problems
• Port 8053 is mapped directly to Pi-hole to serve as a back door without going through traefik
• There is some delay after starting your container before traefik forwards the HTTP traffic correctly, give it a minute

version: '3.8'

services:
  traefik:
    container_name: traefik
    domainname: homedomain.lan

    image: traefik:v2.2
    restart: unless-stopped
    # Note I opt to whitelist certain apps for exposure to traefik instead of auto discovery
    # use `--providers.docker.exposedbydefault=true` if you don't want to have to do this
    command:
      - "--providers.docker=true"
      - "--providers.docker.network=discovery"
      - "--providers.docker.exposedbydefault=false"
      - "--api.insecure=true"
      - "--api.dashboard=true"
      - "--entrypoints.http.address=:80"
      - "--log.level=DEBUG"
    ports:
      - "80:80"
      - "443:443"
      - "8080:8080"
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock:ro
    networks:
      - default
      - discovery
    dns:
      - 192.168.1.50
      - 192.168.1.1

  pihole:
    container_name: pihole
    domainname: homedomain.lan

    image: pihole/pihole:latest
    networks:
      - discovery
    ports:
      - '0.0.0.0:53:53/tcp'
      - '0.0.0.0:53:53/udp'
      - '0.0.0.0:67:67/udp'
      - '0.0.0.0:8053:80/tcp'
    volumes:
      - ./etc-pihole/:/etc/pihole/
      - ./etc-dnsmasqd/:/etc/dnsmasq.d/
      # run `touch ./pihole.log` first unless you like errors
      # - ./pihole.log:/var/log/pihole.log
    environment:
      ServerIP: 192.168.1.50
      PROXY_LOCATION: pihole
      VIRTUAL_HOST: pihole.homedomain.lan
      VIRTUAL_PORT: 80
      TZ: 'America/Chicago'
      # WEBPASSWORD:
    restart: unless-stopped
    labels:
       # required when using --providers.docker.exposedbydefault=false
       - "traefik.enable=true"
       - "traefik.http.routers.pihole.rule=Host(`pihole.homedomain.lan`)"
       - "traefik.http.routers.pihole.entrypoints=http"
       - "traefik.docker.network=discovery"
       - "traefik.http.services.pihole.loadbalancer.server.port=80"

networks:
  # Discovery is manually created to avoid forcing any order of docker-compose stack creation (`docker network create discovery`)
  # allows other compose files to be seen by proxy
  # Not required if you aren't using multiple docker-compose files...
  discovery:
    external: true

After running docker-compose up -d you should see this if you look at logs on traefik docker-compose logs -f traefik

traefik    | time="2020-05-11T12:25:15Z" level=debug msg="Provider event received {Status:health_status: healthy ID:3befdc0a97908de7a679109c8cf1d2a6bf8a78c9018faae697b7251f1ff38932 From:pihole/pihole:latest Type:container Action:health_status: healthy Actor:{ID:3befdc0a97908de7a679109c8cf1d2a6bf8a78c9018faae697b7251f1ff38932 Attributes:map[com.docker.compose.config-hash:b2785684a80ef0cc97b7c34697e239ad90ef68580f2cc286f183c95d966f6eae com.docker.compose.container-number:1 com.docker.compose.oneoff:False com.docker.compose.project:pi-hole com.docker.compose.project.config_files:docker-compose.yml com.docker.compose.project.working_dir:/opt/pi-hole com.docker.compose.service:pihole com.docker.compose.version:1.25.5 image:pihole/pihole:latest maintainer:adam@diginc.us name:pihole traefik.docker.network:discovery traefik.enable:true traefik.http.routers.pihole.entrypoints:http traefik.http.routers.pihole.rule:Host(`pihole.homedomain.lan`) traefik.http.services.pihole.loadbalancer.server.port:80 url:https://www.github.com/pi-hole/docker-pi-hole]} Scope:local Time:1589199915 TimeNano:1589199915511243989}" providerName=docker
traefik    | time="2020-05-11T12:25:15Z" level=debug msg="Filtering disabled container" providerName=docker container=traefik-pi-hole-c5847115be3d90c73a89824f80f1e6882bd8de60c50063f56be9d224192a14f4
traefik    | time="2020-05-11T12:25:15Z" level=debug msg="Configuration received from provider docker: {\"http\":{\"routers\":{\"pihole\":{\"entryPoints\":[\"http\"],\"service\":\"pihole\",\"rule\":\"Host(`pihole.homedomain.lan`)\"}},\"services\":{\"pihole\":{\"loadBalancer\":{\"servers\":[{\"url\":\"http://172.18.0.3:80\"}],\"passHostHeader\":true}}}},\"tcp\":{},\"udp\":{}}" providerName=docker
traefik    | time="2020-05-11T12:25:15Z" level=debug msg="Creating middleware" middlewareType=Pipelining entryPointName=http routerName=pihole@docker serviceName=pihole middlewareName=pipelining
traefik    | time="2020-05-11T12:25:15Z" level=debug msg="Creating load-balancer" entryPointName=http routerName=pihole@docker serviceName=pihole
traefik    | time="2020-05-11T12:25:15Z" level=debug msg="Creating server 0 http://172.18.0.3:80" entryPointName=http serverName=0 routerName=pihole@docker serviceName=pihole
traefik    | time="2020-05-11T12:25:15Z" level=debug msg="Added outgoing tracing middleware pihole" entryPointName=http routerName=pihole@docker middlewareName=tracing middlewareType=TracingForwarder
traefik    | time="2020-05-11T12:25:15Z" level=debug msg="Creating middleware" entryPointName=http middlewareName=traefik-internal-recovery middlewareType=Recovery
traefik    | time="2020-05-11T12:25:15Z" level=debug msg="Added outgoing tracing middleware dashboard@internal" middlewareType=TracingForwarder entryPointName=traefik routerName=dashboard@internal middlewareName=tracing
traefik    | time="2020-05-11T12:25:15Z" level=debug msg="Creating middleware" entryPointName=traefik routerName=dashboard@internal middlewareName=dashboard_stripprefix@internal middlewareType=StripPrefix
traefik    | time="2020-05-11T12:25:15Z" level=debug msg="Adding tracing to middleware" entryPointName=traefik routerName=dashboard@internal middlewareName=dashboard_stripprefix@internal
traefik    | time="2020-05-11T12:25:15Z" level=debug msg="Creating middleware" middlewareName=dashboard_redirect@internal middlewareType=RedirectRegex entryPointName=traefik routerName=dashboard@internal
traefik    | time="2020-05-11T12:25:15Z" level=debug msg="Setting up redirection from ^(http:\\/\\/[^:\\/]+(:\\d+)?)\\/$ to ${1}/dashboard/" middlewareName=dashboard_redirect@internal middlewareType=RedirectRegex entryPointName=traefik routerName=dashboard@internal
traefik    | time="2020-05-11T12:25:15Z" level=debug msg="Adding tracing to middleware" routerName=dashboard@internal middlewareName=dashboard_redirect@internal entryPointName=traefik
traefik    | time="2020-05-11T12:25:15Z" level=debug msg="Added outgoing tracing middleware api@internal" entryPointName=traefik routerName=api@internal middlewareName=tracing middlewareType=TracingForwarder
traefik    | time="2020-05-11T12:25:15Z" level=debug msg="Creating middleware" entryPointName=traefik middlewareName=traefik-internal-recovery middlewareType=Recovery
traefik    | time="2020-05-11T12:25:15Z" level=debug msg="No default certificate, generating one"

Also your port 8080 should list the Route/Rule for pihole and backend-pihole container.