duckdns-updater

Multiarch alpine-based image that updates a configured DuckDNS at a fixed interval.

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Build

NOTE: Requires Docker's BuildX to build multiarch image

docker buildx build \
--platform=linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64 \
--output "type=image,push=false" \
-t sykkro/duckdns-updater:latest .

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Run

docker run --name duckdns-updater -e DUCK_ENV_DOMAINS=<domain(s)> -e DUCK_ENV_TOKEN=<token> [-e DUCK_ENV_INTERVAL=<seconds>] -d sykkro/duckdns-updater:latest

With:

• DUCK_ENV_DOMAINS - comma separated list of domains to be updated
• DUCK_ENV_TOKEN - the auth token for the DuckDNS account
• DUCK_ENV_INTERVAL (optional; defaults to 300s) - the interval, in seconds, to wait before updating the DNS entry