Largely based on docker-redis-cluster.
docker build -t redis-cluster .
docker run -d --rm --name redis-cluster \
-p 30001:30001 -p 30002:30002 -p 30003:30003 \
-p 30004:30004 -p 30005:30005 -p 30006:30006 \
redis-cluster
REDIS_HOST_IP=`docker exec -it redis-cluster hostname -i`
INTERFACE=en0 # depends on which interface you are, change it accrodingly
sudo ifconfig $INTERFACE inet $REDIS_HOST_IP netmask 255.255.255.255 up
docker kill redis-cluster