Docker Compose的yml文件中privileged参数的作用是什么？-PHP Tutorial-php.cn

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Docker Compose的yml文件中privileged参数的作用是什么？

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Jun 06, 2016 pm 08:14 PM

dockerphp

Docker Compose的yml文件中，privileged参数的作用是什么？翻了文档，百度和谷歌，可是没查到，麻烦帮解释一下。
为什么fpm和nginx需要加上这个参数，而web不需要这个参数呢？如下图所示：
Docker Compose的yml文件中privileged参数的作用是什么？

回复内容：

大约在0.6版，privileged被引入docker。
使用该参数，container内的root拥有真正的root权限。
否则，container内的root只是外部的一个普通用户权限。
privileged启动的容器，可以看到很多host上的设备，并且可以执行mount。
甚至允许你在docker容器中启动docker容器。

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