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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Code CLI 15 Sep 2026
One change · claude-code

Development containers changeddevcontainer

Nearest release: v2.1.273, published 3 hours before upstream edited the page. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

Upstream edited this page at 15 Sep 2026 21:25 UTC, give or take a minute or two: the time comes from Anthropic’s own sitemap rather than from a commit. This site recorded the change at 28 Sep 2026 23:37 UTC.

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174174 
175175The reference configuration consists of three files. None of them are required when you add Claude Code to your own dev container through the feature, but they show one way to combine the pieces.
176176 
177| File | Purpose |
178| ---------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------- |
177| File | Purpose |
178| - | - |
179179| [`devcontainer.json`](https://github.com/anthropics/claude-code/blob/main/.devcontainer/devcontainer.json) | Volume mounts, `runArgs` capabilities, VS Code extensions, and `containerEnv` |
180| [`Dockerfile`](https://github.com/anthropics/claude-code/blob/main/.devcontainer/Dockerfile) | Base image, development tools, and the Claude Code install |
181| [`init-firewall.sh`](https://github.com/anthropics/claude-code/blob/main/.devcontainer/init-firewall.sh) | Limits outbound network traffic to the destinations the script allows |
180| [`Dockerfile`](https://github.com/anthropics/claude-code/blob/main/.devcontainer/Dockerfile) | Base image, development tools, and the Claude Code install |
181| [`init-firewall.sh`](https://github.com/anthropics/claude-code/blob/main/.devcontainer/init-firewall.sh) | Limits outbound network traffic to the destinations the script allows |
182182 
183183## Next steps
184184 
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