Push Placeholder Image #3
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| name: Push Placeholder Image | |
| permissions: | |
| contents: read | |
| packages: write | |
| on: | |
| workflow_dispatch: | |
| inputs: | |
| image_name: | |
| description: 'target image name (xpost)' | |
| required: true | |
| type: string | |
| jobs: | |
| push-image: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Log in to GHCR | |
| uses: docker/login-action@v3 | |
| with: | |
| registry: ghcr.io | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Create Placeholder | |
| run: | | |
| echo "FROM scratch" > Dockerfile | |
| echo "LABEL placeholder=true" >> Dockerfile | |
| - name: Build and push dummy image | |
| uses: docker/build-push-action@v4 | |
| with: | |
| context: . | |
| file: ./Dockerfile | |
| push: true | |
| tags: | | |
| ghcr.io/${{ github.repository_owner }}/${{ github.event.inputs.image_name }}:latest |