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docs(sandboxes): recommend the t3code kit for T3 Code prerequisites - #25911

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dvdksn merged 1 commit into
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mdelapenya:docs/t3code-kit-prerequisites
Aug 21, 2026
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docs(sandboxes): recommend the t3code kit for T3 Code prerequisites#25911
dvdksn merged 1 commit into
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mdelapenya:docs/t3code-kit-prerequisites

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Description

The T3 Code integration page still documents the manual apt-get toolchain install as the only way to prepare a sandbox, and its persistence note says to "add the package to a custom image or kit instead" — that kit exists now. The t3code kit (published as docker.io/sbx/t3code-kit:latest) installs the build toolchain and the t3 npm package at sandbox creation, so the first connection starts a pre-installed server instead of building node-pty from source.

This updates the Prerequisites section to recommend the kit, keeps the manual install as the fallback for existing sandboxes, and adjusts the first-connection note in the Connect section accordingly.

Related issues or tickets

Follows up docker/sbx-kits-contrib#223, which added the kit.

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  • Technical review
  • Editorial review

The t3code kit in sbx-kits-contrib installs the build toolchain and the
t3 npm package at sandbox creation, replacing the manual apt-get setup
as the recommended path. Keep the manual install as the fallback for
existing sandboxes.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
@mdelapenya
mdelapenya requested a review from dvdksn as a code owner August 21, 2026 16:53
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@dvdksn dvdksn left a comment

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I think we can probably remove the manual steps from here and just recommend the mixin that installs the dependencies. It should work for existing sandboxes with sbx kit add, right?

Hmm never mind, I saw the linked internal issue.

@dvdksn
dvdksn merged commit 6f59551 into docker:main Aug 21, 2026
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2 participants