DuckDns

docker-compose.yaml

services:
  duckdns:
    image: lscr.io/linuxserver/duckdns:latest
    container_name: duckdns
    environment:
      - SUBDOMAINS=ejemplo1,ejemplo2,ejemplo3
      - TOKEN=${TOKEN_DUCKDNS}
      - LOG_FILE=false #optional
    volumes:
      - ${PATH_TO_APPDATA}/duckdns/config:/config #optional
    restart: unless-stopped

.env

PATH_TO_APPDATA=
TOKEN_DUCKDNS=