Check docker base image for updates #399
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| name: Check docker base image for updates | |
| on: | |
| schedule: | |
| - cron: '20 4 * * *' # every day at 420 am | |
| workflow_dispatch: | |
| env: | |
| IMAGE_NAME: gnzsnz/apt-cacher-ng:latest | |
| BASE_IMAGE: ubuntu:noble | |
| PLATFORMS: linux/amd64,linux/arm64,linux/arm | |
| jobs: | |
| check_base: | |
| runs-on: ubuntu-latest | |
| outputs: | |
| needs-updating: ${{ steps.check.outputs.needs-updating }} | |
| steps: | |
| - name: Check if update available | |
| id: check | |
| uses: lucacome/docker-image-update-checker@v1 | |
| with: | |
| base-image: ${{ env.BASE_IMAGE }} | |
| image: ${{ env.IMAGE_NAME}} | |
| platforms: ${{ env.PLATFORMS }} | |
| build: | |
| runs-on: ubuntu-latest | |
| needs: check_base | |
| if: needs.check_base.outputs.needs-updating == 'true' | |
| steps: | |
| - name: Checkout | |
| uses: actions/checkout@v4 | |
| - name: Get enviroment variables | |
| run: | | |
| grep -v '#' .env-dist | grep '=' > .env | |
| while IFS= read -r line; do | |
| echo $line >> $GITHUB_ENV ; | |
| done < .env | |
| - name: Create issue | |
| id: create_issue | |
| env: | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| run: | | |
| title="Base images updates found for ${{ env.IMAGE_NAME }}:${{ env.IMAGE_VERSION }}" | |
| body="A new build&publish might be needed." | |
| exists=$(gh issue list -S "is:issue state:open in:title $title" | wc -l) | |
| if [ -n "$exists" ] && [ "$exists" -gt 0 ]; then | |
| echo "dup_issue=yes" >> $GITHUB_OUTPUT | |
| else | |
| gh issue create -t "$title" -b "$body" | |
| echo "dup_issue=no" >> $GITHUB_OUTPUT | |
| fi | |
| - name: Set up QEMU | |
| uses: docker/setup-qemu-action@v3 | |
| if: ${{ steps.create_issue.outputs.dup_issue == 'no' }} | |
| with: | |
| platforms: ${{ env.PLATFORMS }} | |
| - name: Set up Docker Buildx | |
| uses: docker/setup-buildx-action@v3 | |
| if: ${{ steps.create_issue.outputs.dup_issue == 'no' }} | |
| - name: Build Docker image | |
| uses: docker/build-push-action@v6 | |
| if: ${{ steps.create_issue.outputs.dup_issue == 'no' }} | |
| with: | |
| push: false | |
| load: true | |
| context: . | |
| build-args: | | |
| BASE_VERSION=${{ env.BASE_VERSION }} | |
| IMAGE_VERSION=${{ env.IMAGE_VERSION }} | |
| tags: ${{ env.IMAGE_NAME }} |