ellerbrock/alpine-cloudflare-dyndns repository overview

⁠alpine-cloudflare-dyndns

• Docker: ellerbrock/alpine-cloudflare-dyndns⁠
• Quay: ellerbrock/alpine-cloudflare-dyndns⁠

⁠Installation

docker pull ellerbrock/alpine-cloudflare-dyndns

⁠About the Container

As Base Image i use Alpine Linux⁠ which is lightweight Distribution with a small surface area for security concerns, but with enough functionality for development and interactive debugging.

To prevent zombie reaping processes i run dumb-init⁠ as PID 1 which forwards signals to all processes running in the container.

⁠Parameter

• EXTERNAL_IP: optional, if not set it uses the current external ip addr
• CF_EMAIL: required, your cloudflare login email
• CF_TOKEN: required, your cloudflare api key (you can find it under Settings⁠ -> API Key -> Global API Key)
• CF_ZONE_NAME required, your root domain name (eg. example.tld)
• CF_DOMAIN_NAME required, your domain or subdomain name you want to update (eg. subdomain.example.tld)

⁠How to use

docker run -it \
  -e EXTERNAL_IP=OPTIONAL-YOUR-IP \
  -e CF_EMAIL=REQUIRED-YOUR-CLOUDFLARE-EMAIL \
  -e CF_TOKEN=REQUIRED-YOUR-CLOUDFLARE-API-KEY \
  -e CF_ZONE_NAME=REQUIRED-YOUR-CLOUDFLARE-ZONE-NAME \
  -e CF_DOMAIN_NAME=REQUIRED-YOUR-DOMAIN-OR-SUBDOMAIN-NAME-TO-UPDATE \
ellerbrock/alpine-cloudflare-dyndns

or via docker-compose up (define your configuration in the .env file)

⁠Contact / Social Media

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