Oisteink , 5 months ago

Could also be docker network-config.
Docker should by default use the hosts resolver config if there’s nothing in /etc/resolve.conf

You can also supply dns server on the docker command or in your compose file if you’re using compose.

As a last resort you can enter server and ip i the container’s /ets/host file if the ip is static. But that’s gone once you rebuild the image.

Or maybe there’s env on the container you use for dns