如何阻止VSCode DevContainer环境自动加载Copilot？

问题描述 #

我在devcontainer配置中仅指定了以下扩展：

"customizations": {
    "vscode": {
      "extensions": [
        "elmtooling.elm-ls-vscode",
        "esbenp.prettier-vscode",
        "firsttris.vscode-jest-runner",
        "vitest.explorer",
        "vscodevim.vim"
      ]
    }
  }

但VSCode仍自动安装了我不需要的Copilot相关扩展，安装日志如下：

[22:17:27] Extension 'esbenp.prettier-vscode' v12.1.1 was successfully installed.
[70978 ms] [22:17:29] Extracted extension to file:///home/node/.vscode-server/extensions/github.copilot-chat-0.33.5: github.copilot-chat
[71037 ms] [22:17:29] Renamed to /home/node/.vscode-server/extensions/github.copilot-chat-0.33.5
[71236 ms] [22:17:29] Extension installed successfully: github.copilot-chat file:///home/node/.vscode-server/extensions/extensions.json
[72205 ms] [22:17:30] Extracted extension to file:///home/node/.vscode-server/extensions/github.copilot-1.388.0: github.copilot
[72253 ms] [22:17:30] Renamed to /home/node/.vscode-server/extensions/github.copilot-1.388.0
[72410 ms] [22:17:30] Extension installed successfully: github.copilot file:///home/node/.vscode-server/extensions/extensions.json

官方文档提到：

extensions array：指定容器创建时应安装的扩展ID数组，默认为[]。

文档未明确保证不会安装其他扩展，但这种无法控制的情况令人困扰，我需要彻底阻止Copilot被安装。

我的VSCode版本信息：

Version: 1.106.1
Commit: cb1933bbc38d329b3595673a600fab5c7368f0a7
Date: 2025-11-16T10:20:23.745Z
Electron: 37.7.0
ElectronBuildId: 12781156
Chromium: 138.0.7204.251
Node.js: 22.20.0
V8: 13.8.258.32-electron.0
OS: Linux x64 6.8.0-90-generic

解决方法 #

1. 禁用扩展同步 #

在devcontainer配置的customizations.vscode.settings中添加同步禁用设置，避免本地扩展同步到容器：

"customizations": {
  "vscode": {
    "extensions": [
      "elmtooling.elm-ls-vscode",
      "esbenp.prettier-vscode",
      "firsttris.vscode-jest-runner",
      "vitest.explorer",
      "vscodevim.vim"
    ],
    "settings": {
      "extensions.sync.enabled": false,
      "extensions.autoUpdate": false
    }
  }
}

2. 明确排除Copilot扩展 #

在devcontainer配置中添加扩展排除规则，直接禁止Copilot安装：

"customizations": {
  "vscode": {
    "extensions": [
      "elmtooling.elm-ls-vscode",
      "esbenp.prettier-vscode",
      "firsttris.vscode-jest-runner",
      "vitest.explorer",
      "vscodevim.vim"
    ],
    "settings": {
      "extensions.experimental.installIntoContainer": {
        "github.copilot": false,
        "github.copilot-chat": false
      }
    }
  }
}

3. 检查工作区扩展配置 #

查看项目根目录下的.vscode/extensions.json，如果其中包含github.copilot或github.copilot-chat，直接删除相关条目。

4. 启动时清理扩展（临时方案） #

如果以上方法无效，可以在devcontainer配置中添加启动命令，自动删除Copilot扩展目录：

"overrideCommand": "rm -rf /home/node/.vscode-server/extensions/github.copilot* && /usr/local/share/code-server/bin/code-server"

内容的提问来源于stack exchange，提问作者Lukasz Guminski