docker build -t nebula/redis-base .
docker run -it --rm --name redis-cli nebula/redis-base /bin/bash
docker pull dockerfile/redis
docker run -d --name redis-master -p 6379:6379 dockerfile/redis
docker build -t nebula/redis-slave .
docker run -d --name redis-slave --link redis-master:redis -p 6380:6379 nebula/redis-slave