工作目錄：/home/erichan/docker-room/ubuntu-redis
--rm=false: automatically remove the container when it exits (incompatible with -d)
工作目錄：/home/erichan/docker-room/ubuntu-redis/slave
mac: <code>sed -ig 's/port 6379/port 6380/' redis.conf</code>
調試
on master
on slave
on host-host(mac os)
192.168.1.12 is docker host(ubuntu) ip
(完)
參考
<a href="https://docs.docker.com/examples/running_redis_service">running_redis_service</a>
<a href="https://github.com/dockerfile/redis">dockerfile/redis</a>
<a href="https://gist.github.com/james-m/8700237">james-m</a>