I have been trying with Docker beta on Mac OS and was facing an issue with docker-compose.
It was taking ages for the docker-compose commands to get executed. After digging into a while I figured out that the dns lookup was causing the issues.
docker-compose is trying to resolve
localunixsocket.local. You can get insight into the dns lookup by running
sudo tcpdump -A -s0 -nni en0 port 53
For now I've pointed
localunixsocket.local to localhost in my
/etc/hosts. Now everything is speedy again. To do the same, you need to edit
/etc/hosts file and add the contents:
Hope someone finds this useful