brew install docker 不包括 docker 引擎？ - Brew install docker does not include docker engine?

問題：

Trying to setup docker from brew, however the engine does not seem to be included in any of the any of the official formulas.嘗試從 brew 設置 docker，但是引擎似乎沒有包含在任何官方公式中。

brew install docker-machine docker-compose

So these only installs the clients?所以這些只安裝客戶端？ Is there no keg with the engine/daemon?引擎/守護進程沒有小桶嗎？

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解決方案：

參考一： https://en.stackoom.com/question/2k1xj
參考二： https://stackoom.com/question/2k1xj