Add support for API_KEY_FILE

oznu / docker-cloudflare-ddns

A small amd64/ARM/ARM64 Docker image that allows you to use CloudFlare as a DDNS / DynDNS Provider.

https://hub.docker.com/r/oznu/cloudflare-ddns/

GNU General Public License v3.0

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Closed johnluetke closed 4 years ago

johnluetke commented 4 years ago

If API_KEY_FILE is specified, load the value of API_KEY from its contents.

Fixes #50