Workflow file for this run
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| name: Publish Docker latest tag | |
| on: | |
| release: | |
| types: [published] | |
| jobs: | |
| tag-docker-latest: | |
| # Only run when the release is marked as "Latest release" in the GitHub UI | |
| if: github.event.release.make_latest == 'true' | |
| runs-on: [self-hosted, Linux] | |
| env: | |
| GHCR_REPO: ghcr.io/defguard/defguard-proxy | |
| permissions: | |
| packages: write | |
| id-token: write # needed for Cosign keyless signing | |
| steps: | |
| - name: Install Cosign | |
| uses: sigstore/cosign-installer@cad07c2e89fa2edd6e2d7bab4c1aa38e53f76003 # v4.1.1 | |
| - name: Login to GitHub container registry | |
| uses: docker/login-action@4907a6ddec9925e35a0a9e82d7399ccc52663121 # v4 | |
| with: | |
| registry: ghcr.io | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Set up Docker Buildx | |
| uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4 | |
| - name: Derive semver tag | |
| run: | | |
| # Strip the leading 'v' from the release tag name (e.g. v1.2.3 -> 1.2.3) | |
| VERSION="${{ github.event.release.tag_name }}" | |
| echo "VERSION=${VERSION#v}" >> $GITHUB_ENV | |
| - name: Tag image as latest | |
| run: | | |
| docker buildx imagetools create \ | |
| --tag ${{ env.GHCR_REPO }}:latest \ | |
| ${{ env.GHCR_REPO }}:${{ env.VERSION }} | |
| - name: Sign the latest tag with GitHub OIDC Token | |
| run: cosign sign --yes ${{ env.GHCR_REPO }}:latest | |
| - name: Verify image signature | |
| run: | | |
| cosign verify ${{ env.GHCR_REPO }}:latest \ | |
| --certificate-oidc-issuer https://token.actions.githubusercontent.com \ | |
| --certificate-identity-regexp="https://github.com/DefGuard/proxy" \ | |
| -o text |