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oh-my-docker's Introduction

Oh My Docker

一个用于开发的 docker 镜像

功能介绍

  1. 内置 git / vim / python3 / ruby / gem / bundler / / zsh / go / node / yarn 等命令
  2. 给国内用户配置了加速镜像

使用

  1. 安装最新版 Docker 客户端, 并运行 Docker
  2. 在本地创建目录 oh-my-dev
  3. 使用 VSCode 打开 oh-my-dev, 安装 Remote - Containers 插件
  4. 创建 my-project/Dockerfile, 并在文件中写入 FROM xinx1n/oh-my-docker:latest 即可
  5. 在 VSCode 中运行命令(按下快捷键 ctrl+shift+p)输入 Reopen Folder in Container 后回车
  6. 稍等片刻, 你就可以新建终端, 调用 go / node / python 等命令了.
  7. 如果想使用 ruby, 运行 rvm use 3,启用 ruby 3, 或者其他你想用的版本

Build

docker image build [OPTIONS] PATH | URL | - 比如 docker image build --pull -t yourname/imagename:tag .

当你想使用的配置与我提供的相差较大, 可以 clone 到本地, 直接修改 Dockerfile 以增删能用, 并 build 自己的镜像, 将 FROM xinx1n/oh-my-docker:latest 修改为 yourname/imagename:tag, 就可以改为使用你自己的镜像了.

常见问题

如何提升文件性能?

  1. 新建一个 Docker volume. (非必须, 一般能自动创建)
  2. 在oh-my-dev/.devcontainer/devcontainer.json 中改写 mounts 为
    "mounts": [
      "source=刚才创建的volume的名字,target=${containerWorkspaceFolder}/high_speed_files,type=volume"
      ],
    
  3. 在 VSCode 中运行 rebuild Container
  4. 这样一来 high_speed_files 目录里的文件的性能就非常高了
  5. 不过要记得经常把 volume 中的文件上传到 GitHub, 不然你哪天不小心把 volume 删了, 代码就彻底没了
  6. 如果你希望备份 volume 的数据, 可以看这篇问答.

.devcontainer/devcontainer.json 参考

{
	"name": "OhMyEnv",
	"context": "..",
	"dockerFile": "./Dockerfile",
	"settings": {},
	"extensions": [
		"golang.go",
		"dbaeumer.vscode-eslint",
		// "asvetliakov.vscode-neovim",
		"esbenp.prettier-vscode"
	],
	"runArgs": [
		"--network=networkfordockerdev", // 使用此配置项需要提前创建 docker network
		"--dns=223.5.5.5",
		"--privileged",
	],
	"mounts": [
		"source=root,target=/root,type=volume",
		"source=chezmoi,target=/root/.local/share/chezmoi,type=volume",
		"source=repos,target=/root/repos,type=volume",
		"source=vscode-extensions,target=/root/.vscode-server/extensions,type=volume",
		"source=go-bin,target=/root/go/bin,type=volume",
		"source=docker,target=/var/lib/docker,type=volume",
		"source=pnpm-global,target=/usr/pnpm-global,type=volume",
	],
	// Uncomment to connect as a non-root user if you've added one. See https://aka.ms/vscode-remote/containers/non-root.
	"remoteUser": "root",
	// "overrideCommand": false,
	// "forwardPorts": [],
	// "postCreateCommand": "apt-get update && apt-get install -y curl",
	// "postStartCommand": "rm /var/run/docker.pid; /usr/sbin/dockerd & /usr/sbin/sshd -D"
}

如何添加自己的工具?

你只需要在 my_projects/Dockerfile 中写

RUN apk add --no-cache XXX

就可以安装任意工具了.

如何添加自己的配置

oh-my-docker 内置了 chezmoi, 它可以用来管理配置文件, 举例:

  1. 初始化 chezmoi, 命令为 chezmoi init
  2. 把你想要修改的配置添加到仓库, 命令为 chezmoi add ~/.bashrc
  3. 修改配置, 命令为 vim ~/.bashrccode ~/.bashrc
  4. 保存你的修改到仓库, 命令为 chezmoi re-add ~/.bashrc
  5. 当你 rebuild container 之后, 执行 chezmoi apply 就可以把你的配置恢复到最新

注意:这样做的前提是你在 .devcontainer.json 里面添加如下配置:

"mounts": [
	"source=chezmoi,target=/root/.local/share/chezmoi,type=volume"
]

chezmoi 的详细用法见:https://github.com/twpayne/chezmoi

如何连接数据库?

  1. 新建一个 Docker network docker network create networkfordockerdev
  2. 新建另一个 Docker 的数据库实例, 让其连接第一步中的 network
  3. 在 my-projects/.devcontainer/devcontainer.json 中改写 runArgs 为 "runArgs": ["--network=networkfordockerdev", "--dns=223.5.5.5"],
  4. 在 VSCode 中运行 rebuild Container

如何安装 Rails?

apk add --no-cache libxml2 libxml2-dev libxml2-utils sqlite-dev tzdata
apk add postgresql-dev postgresql
gem install rails --version '~>6.1'
rails new --api my_rails_app

如何让容器与宿主机共享 ssh 认证信息

参考微软官方的教程:https://code.visualstudio.com/docs/remote/containers#_using-ssh-keys

其他

oh-my-docker's People

Contributors

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Watchers

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