问题描述
我在Mac OS（El Capitan 10.11.4）的版本1.12.0（build 10871）中使用docker，我想为docker守护程序提供配置文件。
在Ubuntu下，将配置放在
/ host_docker_app 在〜/ Library /容器/ C om.docker.docker / Data / 从OSX。这似乎是维护自定义配置的最可能的地方，但它看起来不像有任何接口来源/加载配置或从那里启动的任何东西。
看起来像 / var 或 / host_docker_app 将不会重新启动。有一种机制来保留旧的boot2docker VM映像中的一些启动配置，但是我没有找到类似于新VM的任何东西。
I am using docker in Version 1.12.0 (build 10871) on Mac OS (El Capitan 10.11.4) and I want to provide a config file for the docker daemon.
Under Ubuntu you place the config under /etc/default/docker (see docs). Unfortunately, I cannot figure out where to place the config in Mac OS
Any ideas?
Docker EE/CE 17+
Docker for Mac/Windows has added a config editor to the tray icon UI to allow editing of Dockers daemon.json file that will be persisted in the VM.
To access it go to the Docker Icon > Preferences > Daemon > Advanced
Original Answer
The Docker for Mac VM is based on Alpine Linux. The init system is based on OpenRC.
You can attach a screen session to the VM's tty (terminal) and poke around
$ screen ~/Library/Containers/com.docker.docker/Data/com.docker.driver.amd64-linux/tty
The docker daemon config is in the usual spot
moby:/etc/docker# ls -l /etc/docker/ total 8 -rw-r--r-- 1 root root 38 Aug 5 11:26 daemon.json -rw------- 1 root root 244 Aug 5 11:26 key.json
The /etc/init.d/docker script that manages the startup does not seem very configurable, apart from editing the script.
/host_docker_app in the VM is a mount of the data in ~/Library/Containers/com.docker.docker/Data/ from OSX. This seems like the most likely place to persist custom config but it doesn't look like there is any interface to source/load config or anything at startup from there.
It looks like changes outside of /var or /host_docker_app will not persist over reboots. There was a mechanism to persist some startup config in the old boot2docker VM image but I haven't found anything like it for the new VM.
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