build-and-push-image #970
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| name: build-and-push-image | |
| on: | |
| schedule: | |
| - cron: '32 16 * * *' | |
| push: | |
| branches: [ main ] | |
| workflow_dispatch: | |
| jobs: | |
| build: | |
| runs-on: ubuntu-latest | |
| permissions: | |
| contents: read | |
| packages: write | |
| steps: | |
| - name: Check if there is a new base image | |
| if: github.event_name != 'push' && github.event_name != 'workflow_dispatch' | |
| id: check | |
| run: | | |
| set -Eeuxo pipefail | |
| PARENT=$(skopeo inspect docker://alpine:latest | jq .Layers) | |
| OWN=$(skopeo inspect docker://ghcr.io/marius/postfix-sendgrid | jq .Layers) | |
| OUTOFDATE=$(jq -cn "$OWN - ($OWN - $PARENT) | .==[]") | |
| echo "out-of-date=$OUTOFDATE" >> $GITHUB_OUTPUT | |
| # This action needs to run every time to set the package version. | |
| - name: Get the postfix package version | |
| id: check-package | |
| run: | | |
| set -Eeuxo pipefail | |
| if [ ! -x pup ]; then | |
| curl -L -o pup.zip https://github.com/ericchiang/pup/releases/download/v0.4.0/pup_v0.4.0_linux_amd64.zip | |
| unzip pup.zip | |
| chmod +x pup | |
| fi | |
| echo "7e285aef7140609dcfe94153d6ee412fd9ea3a5b804670e1c772a75150ab711d pup" | sha256sum --check --status | |
| package_version=$(curl -s https://pkgs.alpinelinux.org/package/edge/main/x86_64/postfix | ./pup 'th:contains("Version") + td strong a text{}') | |
| container_version=$(skopeo inspect docker://ghcr.io/marius/postfix-sendgrid | jq -r '.Labels."postfix-package-version"') | |
| echo "version=${package_version}" >> $GITHUB_OUTPUT | |
| if [ "${container_version}" == "${package_version}" ]; then | |
| echo "new=false" >> $GITHUB_OUTPUT | |
| else | |
| echo "new=true" >> $GITHUB_OUTPUT | |
| fi | |
| - name: Checkout repository | |
| if: steps.check.outputs.out-of-date == 'true' || steps.check-package.outputs.new == 'true' || github.event_name == 'push' || github.event_name == 'workflow_dispatch' | |
| uses: actions/checkout@v4 | |
| - name: Extract Docker metadata | |
| if: steps.check.outputs.out-of-date == 'true' || steps.check-package.outputs.new == 'true' || github.event_name == 'push' || github.event_name == 'workflow_dispatch' | |
| id: meta | |
| uses: docker/metadata-action@v5 | |
| with: | |
| images: ghcr.io/marius/postfix-sendgrid | |
| - name: Set up Docker Buildx | |
| if: steps.check.outputs.out-of-date == 'true' || steps.check-package.outputs.new == 'true' || github.event_name == 'push' || github.event_name == 'workflow_dispatch' | |
| uses: docker/setup-buildx-action@v3 | |
| - name: Log into registry | |
| if: steps.check.outputs.out-of-date == 'true' || steps.check-package.outputs.new == 'true' || github.event_name == 'push' || github.event_name == 'workflow_dispatch' | |
| uses: docker/login-action@v3 | |
| with: | |
| registry: ghcr.io | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Build and push Docker image | |
| if: steps.check.outputs.out-of-date == 'true' || steps.check-package.outputs.new == 'true' || github.event_name == 'push' || github.event_name == 'workflow_dispatch' | |
| id: build-and-push | |
| uses: docker/build-push-action@v6 | |
| with: | |
| context: . | |
| push: true | |
| tags: ghcr.io/marius/postfix-sendgrid:latest | |
| labels: | | |
| ${{ steps.meta.outputs.labels }} | |
| postfix-package-version=${{ steps.check-package.outputs.version }} |