Options for named startup docker

[Christian Link]

Hello everyone,

I am using the BIND Docker image in a Docker Compose setup. In this setup I
would like to disable ipv4 and start the named daemon with the option "-4".

Normally you can do this via the file /etc/default/named (In the options
variable). Unfortunately, this file is ignored. I also tried it with the
"Environment" parameter in docker-compose.yml, but this does not work
either.

What possibility do I have to give options to the named daemon without
redefining the start command completely (e.g. via "command")?

This is my docker-compose.yml


version: '3.8'
services:
  bind:
    image: internetsystemsconsortium/bind9:9.16
    container_name: bind
    volumes:
      - ./etc/bind:/etc/bind
      - ./etc/default/named:/etc/default/named
      - ./var/cache/bind:/var/cache/bind
      - ./var/lib/bind:/var/lib/bind
      - ./var/log:/var/log
    ports:
      - 53:53/udp
      - 53:53/tcp
      - 127.0.0.1:953:953/tcp
    restart: always
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