use podman to create and optionally push manifest lists #32
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| name: multi-arch image sample | |
| on: | |
| push: | |
| workflow_dispatch: | |
| env: | |
| GITHUB_USERNAME: baronfel | |
| APP_NAME: multi-arch-sample | |
| jobs: | |
| create-multiarch-image: | |
| permissions: | |
| contents: read | |
| packages: write | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Login to ghcr.io | |
| uses: docker/login-action@v3 | |
| with: | |
| registry: ghcr.io | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Get the code | |
| uses: actions/checkout@v4 | |
| - name: Get .NET | |
| uses: actions/setup-dotnet@v4 | |
| - name: build the x64 image | |
| id: build-x64 | |
| working-directory: src/multi-arch-sample | |
| run: | | |
| dotnet publish -t:PublishContainer --arch x64 -p ContainerImageTag=latest-x64 -p ContainerRepository=${{github.repository_owner}}/${{env.APP_NAME}} -p ContainerRegistry=ghcr.io | |
| echo "generated_container_name=ghcr.io/${{github.repository_owner}}/${{env.APP_NAME}}:latest-x64" >> $GITHUB_OUTPUT | |
| - name: build the arm64 image | |
| id: build-arm64 | |
| working-directory: src/multi-arch-sample | |
| run: | | |
| dotnet publish -t:PublishContainer --arch arm64 -p ContainerImageTag=latest-arm64 -p ContainerRepository=${{github.repository_owner}}/${{env.APP_NAME}} -p ContainerRegistry=ghcr.io | |
| echo "generated_container_name=ghcr.io/${{github.repository_owner}}/${{env.APP_NAME}}:latest-arm64" >> $GITHUB_OUTPUT | |
| - name: create the multi-image manifest | |
| run: | | |
| docker manifest create ghcr.io/${{github.repository_owner}}/${{env.APP_NAME}}:latest \ | |
| ${{ steps.build-x64.outputs.generated_container_name }} \ | |
| ${{ steps.build-arm64.outputs.generated_container_name }} \ | |
| docker manifest push ghcr.io/${{github.repository_owner}}/${{env.APP_NAME}}:latest |