rinetd is used to efficiently redirect connections from one IP address/port combination to another. It is useful when operating virtual servers, firewalls and the like.

docker-compose.yml

version: "3.8"
services:
  rinetd:
    image: vimagick/rinetd
    volumes:
      - ./data:/etc/rinetd
    network_mode: host
    restart: unless-stopped

up and running

$ docker-compose up -d
$ dig @127.0.0.1 -p 5353 google.com +short
$ docker-compose logs