Bash script that get the current public dynamic IP and updates a CF DNS A-record.
Requires setting a .env file in the script folder with the A-record identification and the Zone ID available in the CF dashboard. Also needs a CF API token able to write DNS settings:
# CF API token
API_TOKEN=
# CF Zone ID, get it on the domain dashboard
ZONE_ID=
# DNS record
RECORD_ID=
RECORD_NAME=