98 lines
3.5 KiB
YAML
98 lines
3.5 KiB
YAML
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name: Docker
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# This workflow uses actions that are not certified by GitHub.
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# They are provided by a third-party and are governed by
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# separate terms of service, privacy policy, and support
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# documentation.
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on:
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schedule:
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- cron: '25 23 * * *'
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push:
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branches: [ "main" ]
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# Publish semver tags as releases.
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tags: [ 'v*.*.*' ]
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pull_request:
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branches: [ "main" ]
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env:
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# Use docker.io for Docker Hub if empty
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REGISTRY: ghcr.io
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# github.repository as <account>/<repo>
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IMAGE_NAME: ${{ github.repository }}
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jobs:
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build:
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runs-on: ubuntu-latest
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permissions:
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contents: read
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packages: write
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# This is used to complete the identity challenge
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# with sigstore/fulcio when running outside of PRs.
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id-token: write
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steps:
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- name: Checkout repository
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uses: actions/checkout@v3
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# Install the cosign tool except on PR
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# https://github.com/sigstore/cosign-installer
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- name: Install cosign
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if: github.event_name != 'pull_request'
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uses: sigstore/cosign-installer@6e04d228eb30da1757ee4e1dd75a0ec73a653e06 #v3.1.1
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with:
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cosign-release: 'v2.1.1'
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# Workaround: https://github.com/docker/build-push-action/issues/461
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- name: Setup Docker buildx
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uses: docker/setup-buildx-action@79abd3f86f79a9d68a23c75a09a9a85889262adf
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# Login against a Docker registry except on PR
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# https://github.com/docker/login-action
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- name: Log into registry ${{ env.REGISTRY }}
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if: github.event_name != 'pull_request'
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uses: docker/login-action@28218f9b04b4f3f62068d7b6ce6ca5b26e35336c
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with:
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registry: ${{ env.REGISTRY }}
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username: ${{ github.actor }}
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password: ${{ secrets.GITHUB_TOKEN }}
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# Extract metadata (tags, labels) for Docker
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# https://github.com/docker/metadata-action
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- name: Extract Docker metadata
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id: meta
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uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
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with:
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images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
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# Build and push Docker image with Buildx (don't push on PR)
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# https://github.com/docker/build-push-action
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- name: Build and push Docker image
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id: build-and-push
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uses: docker/build-push-action@ac9327eae2b366085ac7f6a2d02df8aa8ead720a
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with:
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context: .
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push: ${{ github.event_name != 'pull_request' }}
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tags: ${{ steps.meta.outputs.tags }}
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labels: ${{ steps.meta.outputs.labels }}
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cache-from: type=gha
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cache-to: type=gha,mode=max
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# Sign the resulting Docker image digest except on PRs.
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# This will only write to the public Rekor transparency log when the Docker
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# repository is public to avoid leaking data. If you would like to publish
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# transparency data even for private images, pass --force to cosign below.
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# https://github.com/sigstore/cosign
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- name: Sign the published Docker image
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if: ${{ github.event_name != 'pull_request' }}
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env:
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# https://docs.github.com/en/actions/security-guides/security-hardening-for-github-actions#using-an-intermediate-environment-variable
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TAGS: ${{ steps.meta.outputs.tags }}
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DIGEST: ${{ steps.build-and-push.outputs.digest }}
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# This step uses the identity token to provision an ephemeral certificate
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# against the sigstore community Fulcio instance.
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run: echo "${TAGS}" | xargs -I {} cosign sign --yes {}@${DIGEST}
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