Cloudflare DDNS setup

Use Cloudflare's free DNS Service as a Dynamic DNS Provider (DDNS) to keep your domain name pointing at the correct IP address for dynamic public IPs.

Create Cloudflare API token

• Log into the Cloudflare Dashboard and go to User Profile --> API Tokens (Direct Link)

• From the API Token home screen create Create Token.

• Select Custom Token and enter the following in the respective fields

  • Permissions

  Zone	Zone Settings	Read
  Zone	Zone	Read
  Zone	DNS	Edit

  • Zone Resources

  Include	All zones from an account	Select Account

• The filled out form should look like so -

  

• The summary of the newly minted API token follows on the next page -

  

Setup docker container for Cloudflare-DDNS

Save the following as docker-compose.yml -

version: '2'
services:
  cloudflare-ddns:
    container_name: cloudflare-ddns
    image: oznu/cloudflare-ddns:latest
    restart: always
    environment:
      - API_KEY=XXXXXXXXXXXXXXXXXXXXX            # Change to your cloudflare API token (https://developers.cloudflare.com/api/tokens/create)
      - ZONE=domain.com                          # Change to your domain
      - PROXIED=true
      - PUID=1000                                # Change this
      - PGID=1000                                # Change this

Open a terminal in the same directory and start the docker container -

docker-compose up -d