My custom

hosts

file entries dont resolve into the cluster most of the time. I am running rancher desktop on m1, sometimes it takes a few hours for ranchers core-dns? to update and start resolving the address properly thats set in

/etc/hosts

We may need some more details about your setup and use-case. Here's a link stating that hosts defined in /etc/hosts are not inherited, but it does show how to add entries to the container hosts file. Let us know if this doesn't match your use-case. Docker DNS