I previously installed CoreDNS on a Docker container using the following command:
docker run -d --name coredns --restart=always --volume=/home//Documents/docker/coredns/:/root/ -p 53:53/udp coredns/coredns -conf /root/Corefile
CoreDNS is working just fine on that container.
I’m trying to install CoreDNS on a second container on another host, but for this one I’d like to use a compose file instead of that Docker run command. But I can’t figure out how to represent that -conf argument from the run command onto the compose file. Any ideas?
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The bit after the image when running
docker runfrom the command line is thecommand, which are arguments passed to the container’s entrypoint. So in your case, it would becommand: -conf /root/Corefilehttps://docs.docker.com/compose/compose-file/compose-file-v3/#command
version: '3' services: coredns: image: coredns/coredns container_name: coredns restart: always volumes: - /home//Documents/docker/coredns/:/root/ ports: - "53:53/udp" command: -conf /root/CorefileThis should do it.