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[SL-ONLY] Build and publish Zephyr docker image - #1185
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Matthew Albert (malbert-silabs)
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September 8, 2026 14:06
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🟡 Changes recommended
The new workflow contains an invalid if: expression formatting that will prevent the workflow from running successfully.
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Pull request overview
This PR adds automation to build and publish a Silicon Labs Zephyr builder container image (based on chip-build) using a fixed zephyr-silabs commit and Zephyr SDK install, and publishes it to GHCR for PR validation and main merges.
Changes:
- Add a new
integrations/docker/silabs/zephyr-silabs/Dockerfilethat builds a Zephyr + Zephyr SDK environment pinned to a specificzephyr-silabscommit. - Add a GitHub Actions workflow to build/push a
pr-<number>image for PRs and publishlatestplus a date tag on merges tomain.
File summaries
| File | Description |
|---|---|
| integrations/docker/silabs/zephyr-silabs/Dockerfile | New Dockerfile to build a Zephyr SDK + zephyr-silabs-pinned builder image. |
| .github/workflows/silabs-zephyr-docker.yaml | New workflow to build/publish the image on PRs and on merge to main. |
Review details
- Files reviewed: 2/2 changed files
- Comments generated: 3
- Review effort level: Lite
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Michael Duggan (miduggan24)
approved these changes
Sep 11, 2026
Junior Martinez (jmartinez-silabs)
approved these changes
Sep 14, 2026
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Summary
Build our Zephyr builder image in our fork of Matter, using our fork of Zephyr.
Workflow builds image in PR to ensure validity, but it is built again in main and tagged as latest there.
Related issues
N/A
Testing
CI passing will ensure the workflow is functional
https://github.com/SiliconLabsSoftware/matter_sdk/pkgs/container/matter-sdk-zephyr-silabs