# Docker Compose configuration for setting up a Cloudflare Tunnel container
#
# This configuration pulls the latest Cloudflare Tunnel image from the specified repository
# and includes options for logging, automatic updates using Watchtower, health checks, and volume mounting.

services:

  # Cloudflare Tunnel Service
  cloudflare-tunnel:
    image: cloudflare/cloudflared:latest              # Pull the latest version of the Cloudflare Tunnel image
    container_name: cloudflare-tunnel                 # Name of the Cloudflare Tunnel container
    hostname: cloudflare-tunnel                       # Hostname for the Cloudflare Tunnel container

    user: root

    restart: unless-stopped                           # Restart the container unless manually stopped

    # Logging configuration for Cloudflare Tunnel container
    logging:
      driver: "json-file"                             # Use the default json-file logging driver
      options:
        max-size: "100m"                              # Maximum log file size before rotation (100 MB)
        max-file: "10"                                # Maximum number of log files to retain (10)

    # Network mode configuration
    network_mode: "host"                              # Use the host network (no isolation between host and container)

    # Command to run Cloudflare Tunnel
    command: 'tunnel --no-autoupdate run'                               # Command to start the Cloudflare tunnel

    # Volume configuration for time synchronization and hosts file persistence
    volumes:
      - /etc/localtime:/etc/localtime:ro              # Synchronize time with the host
      - /volume1/docker/cloudflared:/root/.cloudflared
      - /volume1/docker/cloudflared/etc:/etc/cloudflared

      #- ./config/hosts:/etc/hosts                     # Mount hosts file from host to container

    # Environment variables for Cloudflare Tunnel
    # cloudflared.exe service install eyJhIjoiMmZlYjExZmRkOWZhNzNhMmFiNDgwNTIyMzg2YmQ3MzUiLCJ0IjoiZmI1OWYwODEtYWM3Mi00ZmQ5LWJhZDMtOTIxMWI5MzFkNWU1IiwicyI6IllqWXdaVFEyTURrdFpHVXpPUzAwTnpNMkxUazJPREl0T0RGak9UZ3dOelV3Tm1ZeCJ9
    environment:
      - NO_AUTOUPDATE=true 
      - "TUNNEL_TOKEN=${CLOUDFLARE_TUNNEL_TOKEN}"     # Pass the Cloudflare Tunnel token from environment variable
    
    # Health check configuration to verify Cloudflare Tunnel readiness
    healthcheck:
      test: ["CMD", "cloudflared", "--version"]       # Check if cloudflared version command works
      interval: 30s                                   # Time between health check attempts
      timeout: 10s                                    # Time to wait for a response
      retries: 3                                      # Number of retries before marking as unhealthy
      start_period: 10s                               # Delay before health checks begin

    # Container labels for additional metadata
    labels:
      - "com.centurylinklabs.watchtower.enable=true"  # Enable automatic updates with Watchtower


#
####################################################
#                                                  #
#             -------DDNS-Updater-------           #
#                                                  #
####################################################
#
  ddns-updater:
    container_name: ddns-updater
    restart: always
    hostname: ddns-updater
    environment:
      - TZ=America/Toronto
      - PUID=$PUID
      - PGID=$PGID
      - PERIOD=5m
      - UPDATE_COOLDOWN_PERIOD=5m
      - PUBLICIP_FETCHERS=all
      - PUBLICIP_HTTP_PROVIDERS=all
      - PUBLICIPV4_HTTP_PROVIDERS=all
      - PUBLICIPV6_HTTP_PROVIDERS=all
      - PUBLICIP_DNS_PROVIDERS=all
      - PUBLICIP_DNS_TIMEOUT=3s
      - HTTP_TIMEOUT=10s
      - LISTENING_PORT=8000
      - HEALTH_SERVER_ADDRESS=127.0.0.1:9999
      - ROOT_URL=/
      - BACKUP_PERIOD=24h # 0 to disable
      - BACKUP_DIRECTORY=/updater/data
      - LOG_LEVEL=info
      - LOG_CALLER=hidden
      - SHOUTRRR_ADDRESSES=pushover://shoutrrr:$PUSHOVER_API@$PUSHOVER_USER_KEY
    volumes:
      - /volume1/docker/ddns-updater:/updater/data
    ports:
      - 8002:8000/tcp
    user: $PUID:$PGID
    image: 'qmcgaw/ddns-updater:latest'
#