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engine/daemon: Document embedded containerd mode - #25658

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vvoland:containerd-embedded
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engine/daemon: Document embedded containerd mode#25658
vvoland wants to merge 1 commit into
docker:mainfrom
vvoland:containerd-embedded

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@vvoland

@vvoland vvoland commented Jul 27, 2026

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Description

Explain how Engine 29.7.0 can run containerd inside dockerd, how to enable and verify the experimental mode, and how external clients can connect to its endpoint.

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  • Editorial review
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@vvoland vvoland self-assigned this Jul 27, 2026
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vvoland requested a review from dvdksn as a code owner July 27, 2026 16:51
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@github-actions github-actions Bot added the area/engine Issue affects Docker engine/daemon label Jul 27, 2026
@vvoland
vvoland requested a review from thaJeztah July 27, 2026 16:51

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Assessment: 🟢 APPROVE

The new embedded-containerd.md page is well-structured: front matter is complete (title, description, keywords, linkTitle, weight), callout syntax is correct, no hedge words, no 'allows/enables you to' constructions, no bold misuse, no broken code blocks. One minor path-style note is left inline.

Comment thread content/manuals/engine/daemon/_index.md Outdated

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Assessment: 🟢 APPROVE

The new embedded-containerd.md page is well-structured, technically clear, and follows Docker documentation conventions. No high or medium severity issues were found.

What looks good:

  • Front matter is complete (title, description, keywords, linkTitle, weight)
  • Callout types are appropriate: CAUTION for experimental status, IMPORTANT for state-path warning, WARNING for the debugging caveat
  • Code blocks use console with $ prompt for shell commands; JSON block uses json hint
  • No hedge words ("simply", "just", "easily") or AI-isms detected
  • The CAUTION callout correctly surfaces the experimental status upfront
  • The ctr example is specific and accurate for the documented endpoint path
  • Link to _index.md#configuration-file anchors correctly to the ### Configuration file heading

Minor observations (no action required):

  • The page could optionally carry a sidebar badge (color: violet, text: Experimental) in front matter to surface the experimental status in navigation before readers open the page — but the CAUTION callout covers this inline
  • The Windows note ("Check the Docker daemon startup logs for the endpoint address") is intentionally brief; an example named-pipe format could help Windows users, but this is optional given the feature is experimental

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Assessment: 🟢 APPROVE

One low-severity style suggestion (passive voice) in the new page. Content is accurate, front matter is complete, callouts are appropriate, and commands match the described behavior.

Comment thread content/manuals/engine/daemon/embedded-containerd.md Outdated
Explain how Engine 29.7.0 can run containerd inside dockerd, how to
enable and verify the experimental mode, and how external clients can
connect to its endpoint.

Signed-off-by: Paweł Gronowski <pawel.gronowski@docker.com>
@vvoland
vvoland force-pushed the containerd-embedded branch from 2c38306 to 7a3efe1 Compare July 27, 2026 17:41
@vvoland
vvoland requested a review from docker-agent July 27, 2026 18:03

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Assessment: 🟢 APPROVE

The new page is well-structured, accurate, and follows Docker documentation conventions. Front matter is complete (title, linkTitle, description, keywords, weight). Callout syntax is correct. Code blocks use appropriate language hints. No style violations found (no hedge words, no "allows you to"/"enables you to", no "we", no "click"). The bullet link is properly formatted.

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