brew 搜索可用的redis版本
brew search redis
==> Formulae
hiredis redis redis-leveldb redis@3.2 ✔ redis@4.0
選擇一個版本安裝
brew install redis@3.2
...
To have launchd start redis@3.2 now and restart at login:
brew services start redis@3.2
Or, if you don't want/need a background service you can just run:
/usr/local/opt/redis@3.2/bin/redis-server /usr/local/etc/redis.conf
==> Summary
啓動redis服務
brew services start redis@3.2