Add OCI image manifest support in DockerClient

[Mainfrezzer]

Github is being Github. Manifests wont be pulled without it for newer pushes

Summary by CodeRabbit

• Bug Fixes
  • Improved Docker Registry compatibility by supporting OCI image manifests and image indexes when retrieving image metadata.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro Plus

Run ID: ba101aca-7f69-406d-b497-2241d4575bb1

📥 Commits

Reviewing files that changed from the base of the PR and between 4b3c59e and 7ca5d3b.

📒 Files selected for processing (1)

• emhttp/plugins/dynamix.docker.manager/include/DockerClient.php

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Walkthrough

The Docker client now includes OCI image manifest and image index media types in the Docker Registry v2 manifest request Accept header.

Changes

Docker manifest support

Layer / File(s)	Summary
Manifest Accept header emhttp/plugins/dynamix.docker.manager/include/DockerClient.php	The manifest request accepts Docker Registry v2 and OCI image manifest media types, including OCI image indexes.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Merge Risk: ⚪ Minimal · up to 7ca5d

This is a small, localized manifest-handling change, and no actionable merge-blocking risk remains beyond normal checks and review.

Poem

A rabbit checks the registry door,
OCI banners join the score.
Manifests hop through headers bright,
Indexes join the pull tonight.
Code stays small, and paths grow right.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the addition of OCI image manifest support in DockerClient.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[github-actions]

🔧 PR Test Plugin Available

A test plugin has been generated for this PR that includes the modified files.

Version: 2026.08.15.0942
Build: View Workflow Run

📥 Installation Instructions:

Install via Unraid Web UI:

1. Go to Plugins → Install Plugin
2. Copy and paste this URL:

https://preview.dl.unraid.net/pr-plugins/pr-2725/webgui-pr-2725.plg

3. Click Install

Alternative: Direct Download

• 📦 Download PLG
• 📦 Download TXZ

⚠️ Important Notes:

• Testing only: This plugin is for testing PR changes
• Backup included: Original files are automatically backed up
• Easy removal: Files are restored when plugin is removed
• Conflicts: Remove this plugin before installing production updates
• Post-merge behavior: This preview stays available after merge until preview storage expires or it is manually cleaned up

📝 Modified Files:

Click to expand file list

emhttp/plugins/dynamix.docker.manager/include/DockerClient.php

🔄 To Remove:

Navigate to Plugins → Installed Plugins and remove webgui-pr-2725, or run:

plugin remove webgui-pr-2725

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_{🤖 This comment is automatically generated and will be updated with each new push to this PR.}