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Merge pull request #476 from crazy-max/metadata-example
docs: example to sanitize tags with metadata-action
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@ -100,7 +100,25 @@ or a cache reference:
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```
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```
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To fix this issue you can use our [metadata action](https://github.com/docker/metadata-action)
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To fix this issue you can use our [metadata action](https://github.com/docker/metadata-action)
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to generate sanitized tags, or a dedicated step to sanitize the slug:
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to generate sanitized tags:
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```yaml
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- name: Docker meta
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id: meta
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uses: docker/metadata-action@v3
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with:
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images: ghcr.io/${{ github.repository }}
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tags: latest
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- name: Build and push
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uses: docker/build-push-action@v2
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with:
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context: .
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push: true
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tags: ${{ steps.meta.outputs.tags }}
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```
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Or a dedicated step to sanitize the slug:
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```yaml
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```yaml
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- name: Sanitize repo slug
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- name: Sanitize repo slug
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@ -108,7 +126,7 @@ to generate sanitized tags, or a dedicated step to sanitize the slug:
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id: repo_slug
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id: repo_slug
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with:
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with:
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result-encoding: string
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result-encoding: string
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script: return '${{ github.repository }}'.toLowerCase()
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script: return 'ghcr.io/${{ github.repository }}'.toLowerCase()
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- name: Build and push
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- name: Build and push
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uses: docker/build-push-action@v2
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uses: docker/build-push-action@v2
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