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##
##    Docker Compose File: DDNS-Updater (qmcgaw)
##    Function: Update Dynamic IP addresses for DNS A and/or AAAA records
##
##    Documentation: https://hub.docker.com/r/qmcgaw/ddns-updater
##
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services:
  ddns-updater:
    image: qmcgaw/ddns-updater:latest
    container_name: ddns-updater
    restart: always
    user: ${PUID:?err}:${PGID:?err}
    volumes:
      - ${FOLDER_FOR_DATA:?err}/ddns-updater:/updater/data
    ports:
      - ${WEBUI_PORT_DDNS_UPDATER:?err}:${WEBUI_PORT_DDNS_UPDATER:?err}/tcp
    environment:
#      - PUID=${PUID:?err}    # Not used in DDNS-Updater - see above:   user: ${PUID:?err}:${PGID:?err}
#      - PGID=${PGID:?err}    # Not used in DDNS-Updater - see above:   user: ${PUID:?err}:${PGID:?err}
      - UMASK=${UMASK:?err}
      - TZ=${TIMEZONE:?err}
      - CONFIG=
      - 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

      # Web UI
      - LISTENING_ADDRESS=:${WEBUI_PORT_DDNS_UPDATER:?err}
      - ROOT_URL=/

      # Backup
      - BACKUP_PERIOD=0 # 0 to disable
      - BACKUP_DIRECTORY=/updater/data

      # Other
      - LOG_LEVEL=info
      - LOG_CALLER=hidden
      - SHOUTRRR_ADDRESSES=

# NOTE: DDNS-Update MUST NOT connect to the Gluetun VPN container
networks:
  default:
    name: mediastack
    external: true