Update cloudflare DNS via ddclient on docker

ddclient.conf

daemon=300
syslog=yes
ssl=yes
use=web
protocol=cloudflare,                            \
zone=<DOMAIN e.g. example.com>,                 \
ttl=0,                                          \
login=<CLOUDFLARE LOGIN EMAIL>,                 \
password=<CLOUDFLARE GLOBAL API KEY>            \
domain.com,otherdomain.com,sub.domain.com

docker-compose.yml

version: "3.7"
services:
  ddclient:
    image: linuxserver/ddclient
    container_name: ddclient
    environment:
      - PUID=1000
      - PGID=1000
      - TZ=Europe/Budapest
    volumes:
      - /path/to/ddclient/config/dir/:/config
    restart: unless-stopped