Docker: improve tagging, distinguish main and latest
#551
Workflow file for this run
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| name: Docker | |
| on: | |
| push: | |
| branches: | |
| - main | |
| paths-ignore: | |
| - web/** | |
| - doc/** | |
| pull_request: | |
| branches: | |
| - main | |
| paths-ignore: | |
| - web/** | |
| - doc/** | |
| # Publish `v1.2.3` tags as releases. | |
| tags: | |
| - v* | |
| concurrency: | |
| group: ${{ github.workflow }}-${{ github.ref }} | |
| cancel-in-progress: true | |
| env: | |
| IMAGE_NAME: conky | |
| DOCKERHUB_ACCOUNT: brndnmtthws | |
| DOCKER_BUILDKIT: 1 | |
| jobs: | |
| docker-buildx: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout | |
| uses: actions/checkout@v4 | |
| - name: Set up QEMU | |
| uses: docker/setup-qemu-action@v3 | |
| - name: Set up Docker Buildx | |
| id: buildx | |
| uses: docker/setup-buildx-action@v3 | |
| - name: Log into Dockerhub registry | |
| run: echo "${{ secrets.DOCKERHUB_TOKEN }}" | docker login -u $DOCKERHUB_ACCOUNT --password-stdin | |
| - name: Build and push Docker image | |
| env: | |
| RELEASE: "${{ startsWith(github.ref, 'refs/tags/') && 'ON' || 'OFF' }}" | |
| run: | | |
| set -ex | |
| DOCKERHUB_IMAGE_ID=$DOCKERHUB_ACCOUNT/$IMAGE_NAME | |
| # Change all uppercase to lowercase | |
| DOCKERHUB_IMAGE_ID=$(echo $DOCKERHUB_IMAGE_ID | tr '[A-Z]' '[a-z]') | |
| image_tags=() | |
| # Strip git ref prefix from version | |
| VERSION_TAG=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,') | |
| # Strip "v" prefix from tag name | |
| [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION_TAG=$(echo $VERSION_TAG | sed -e 's/^v//') | |
| image_tags+=("--tag" "$DOCKERHUB_IMAGE_ID:$VERSION_TAG") | |
| if [ "$RELEASE" == "ON" ]; then | |
| # tag as latest on releases | |
| image_tags+=("--tag" "$DOCKERHUB_IMAGE_ID:latest") | |
| fi | |
| # Only build amd64 on PRs, build all platforms on main. The arm builds | |
| # take far too long. | |
| image_platforms="--platform linux/amd64" | |
| push_image="" | |
| cache_tag="pr-cache" | |
| if [ "${{ github.ref }}" == "refs/head/main" ]; then | |
| # Only push on main | |
| push_image="--push" | |
| image_platforms="--platform linux/arm/v7,linux/arm64/v8,linux/amd64" | |
| cache_tag="main-cache" | |
| fi | |
| docker buildx build \ | |
| ${push_image} \ | |
| ${image_platforms} \ | |
| --cache-from=type=registry,ref=$DOCKERHUB_ACCOUNT/$IMAGE_NAME:$cache_tag \ | |
| --cache-to=type=registry,ref=$DOCKERHUB_ACCOUNT/$IMAGE_NAME:$cache_tag,mode=max \ | |
| "${image_tags[@]}" \ | |
| . |