services:
  traefik:
    # Set TRAEFIK_VERSION in .env to the exact version you are running.
    # Do not use "latest" in production.
    image: traefik:${TRAEFIK_VERSION}
    command:
      - --api.dashboard=false
      - --api.insecure=false
      - --providers.docker=true
      - --providers.docker.exposedbydefault=false
      - --providers.docker.network=traefik-proxy
      - --providers.file.directory=/etc/traefik/dynamic
      - --providers.file.watch=true
      - --entrypoints.web.address=:80
      - --entrypoints.websecure.address=:443
      - --entrypoints.websecure.transport.respondingTimeouts.readTimeout=0
      - --entrypoints.websecure.transport.respondingTimeouts.writeTimeout=0
      - --entrypoints.websecure.transport.respondingTimeouts.idleTimeout=1800s
      - --entrypoints.web.http.redirections.entrypoint.to=websecure
      - --entrypoints.web.http.redirections.entrypoint.scheme=https
      - --certificatesresolvers.letsencrypt.acme.tlschallenge=true
      - --certificatesresolvers.letsencrypt.acme.email=${ACME_EMAIL}
      - --certificatesresolvers.letsencrypt.acme.storage=/letsencrypt/acme.json
    restart: unless-stopped
    ports:
      - 80:80
      - 443:443
    volumes:
      - traefik-letsencrypt:/letsencrypt
      - /var/run/docker.sock:/var/run/docker.sock:ro
      - ./dynamic:/etc/traefik/dynamic:ro
    networks:
      - traefik-proxy

  traefik-certs-dumper:
    image: ldez/traefik-certs-dumper:v2.11.4
    depends_on:
      - traefik
    restart: unless-stopped
    # Wait for Traefik's ACME storage, then export certificates whenever
    # acme.json changes.
    entrypoint:
      - /bin/sh
      - -ec
    command:
      - |
        until [ -s /data/acme.json ]; do
          sleep 2
        done

        exec traefik-certs-dumper file \
          --version v3 \
          --watch \
          --source /data/acme.json \
          --dest /output \
          --domain-subdir \
          --crt-name fullchain \
          --key-name privkey \
          --crt-ext .pem \
          --key-ext .pem
    volumes:
      # Existing Traefik ACME volume, mounted read-only.
      - traefik-letsencrypt:/data:ro

      # Normal certificate files will appear on the VPS here.
      - ./exported-certs:/output
    # The dumper only reads a local volume and writes exported files.
    # It needs no network access.
    network_mode: none
    labels:
      - "traefik.enable=false"
    security_opt:
      - no-new-privileges:true
    cap_drop:
      - ALL
    read_only: true
    tmpfs:
      - /tmp:size=16m,mode=1777
networks:
  traefik-proxy:
    external: true
volumes:
  traefik-letsencrypt: