haltug / dynu-dynamic-dns-domain-container

Dynu Dynamic DNS Domain Container

About

This docker image is for being able to update the Dynamic DNS available from Dynu.com.

This image uses curl and crontabs to execute the curl command necessary to update with Dynu.

Dynu curl documentation: https://www.dynu.com/DynamicDNS/IPUpdateClient/cURL

How to Use This Image

Start This Container

Build the image

docker image build . --target=dynu_domain --tag dynu_dns

Run the image

docker run -d -e DYNU_PASSWORD=SHA256_PASSWORD -e DYNU_DOMAIN=example.domain.org dynu_dns

Via Docker-Compose

version: '3.7'

services:
  ddns:
    container_name: dynu_dns
    build:
      context: .
      target: dynu_domain
    environment:
      - DYNU_PASSWORD=SHA256_PASSWORD
      - DYNU_DOMAIN=example.domain.org
      - VERIFY_DYNU_CONFIG=true
      - TIME_INTERVAL=*/5 * * * *
    restart: always

Environment Variables

Environment Variable	Optional	Purpose	Example Value	Default
DYNU_ALIAS	Yes*	Update the specified Dynu alias
DYNU_PASSWORD	No	The Dynu password as MD5 to use to authenticate to Dynu
DYNU_DOMAIN	Yes*	Update the specified Dynu domain	example.dynu.net
DYNU_USERNAME	Yes*	Update all domains under the specified Dynu username
TIME_INTERVAL	Yes	Set the time interval for calling the Dynu IP update API, must be specified in a cron format	* * * * *	*/10 * * * *
UPDATE_IP_V4	Yes	Update the IP v4 address	false	true
UPDATE_IP_V6	Yes	Update the IP v6 address	false	true
VERIFY_DYNU_CONFIG	Yes	On container startup verify that the cURL command gets a successful response from Dynu	false	true

*Either a username has to provided, a hostname, or an alias, a hostname, and username.

Visit https://www.dynu.com/NetworkTools/Hash to get MD5 or SHA256 hash value of your password