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Cloudflare DDNS

GitHub Actions License

Cloudflare DDNS is a Docker image that update DNS records on Cloudflare on schedule.

Table of Content

Getting Started

docker run -d -v ./config.yaml:/app/config.yaml ghcr.io/joshuaavalon/cloudflare-ddns:<TAG>

The Docker image now supports multiple architecture. arm32v6 will no longer be used. Because of Docker Hub removal of free team plan, joshava/cloudflare-ddns is no longer supported.

It is recommended to use tagged version instead of latest.

Authentication

API Token

API Token is needed to set the DNS records.

See API Token on how to create it.

Global API Key

Global API is no longer supported. Please use API token.

Zone ID

Go to you domain overview page and scroll to the bottom. Copy the Zone ID in the API section.

Zone ID

Configuration

There are 2 types of configuration supported: environment variables or file.

Note that CF_DNS__CRON and CF_DNS__LOG_TYPE can only configure via environment variables because it is used before the application start.

From v3, you should use either environment variables or file configuration. They will no longer be merged. (Except CF_DNS__CRON and CF_DNS__LOG_TYPE)

You can verify your configuration with JSON Schema

For file configuration, the configuration should be place at /app/config.yaml. It can be changed by defining CF_DNS__CONFIG in environment variables.

auth:
  scopedToken: QPExdfoNLwndJPDbt4nK1-yF1z_srC8D0m6-Gv_h
domains:
  - name: foo.example.com
    type: A
    proxied: true
    create: true
    zoneId: JBFRZWzhTKtRFWgu3X7f3YLX

See configuration for details.

Migration

See migration for details.