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Use ghcr address as registry ref in docker build cache-to #728

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Use ghcr address as registry ref in docker build cache-to #728

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Use ghcr address as registry ref in docker build cache-to
AdrianDAlessandro Jun 3, 2026
331a79c
include platform in docker build push action
AdrianDAlessandro Jun 3, 2026
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7 changes: 5 additions & 2 deletions .github/actions/docker-build/action.yml
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Expand Up @@ -33,5 +33,8 @@ runs:
context: .
push: true
tags: ${{ steps.meta.outputs.tags }}
cache-from: type=gha
cache-to: ${{ case(inputs.publish == 'true', format('type=registry,ref={0}', steps.meta.outputs.tags), 'type=gha,mode=max') }}
cache-from: |
type=gha
type=registry,ref=ghcr.io/${{ github.repository }}:buildcache

@sbland sbland Jun 24, 2026

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I think the change should resolve the issue. The only thing I'm unsure of is why we use the registry cache in the first place instead of just using gha. The docs don't explain the difference other than gha is still in beta.

cache-to: ${{ case(inputs.publish == 'true', format('type=registry,ref=ghcr.io/{0}:buildcache,mode=max', github.repository), 'type=gha,mode=max') }}
platforms: linux/amd64
2 changes: 1 addition & 1 deletion .github/workflows/publish.yml
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Expand Up @@ -16,7 +16,7 @@ jobs:
- name: Checkout
uses: actions/checkout@v6

- name: Test Docker build
- name: Publish Docker build
uses: ./.github/actions/docker-build
with:
github-token: ${{ secrets.GITHUB_TOKEN }}
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