diff --git a/.github/workflows/publish-docker.yml b/.github/workflows/publish-docker.yml new file mode 100644 index 0000000..fc9d9d1 --- /dev/null +++ b/.github/workflows/publish-docker.yml @@ -0,0 +1,38 @@ +name: Publish Docker Image +on: + push: + branches: + - master + tags: + - v* +env: + IMAGE_NAME: peterevans/dockerhub-description +jobs: + publish: + runs-on: ubuntu-latest + steps: + - uses: actions/checkout@v2 + + - name: Docker Hub login + run: echo "${{ secrets.DOCKERHUB_PASSWORD }}" | docker login -u "${{ secrets.DOCKERHUB_USERNAME }}" --password-stdin + + - name: Push image to Docker Hub + run: | + # Strip git ref prefix from version + VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,') + + # Strip "v" prefix from tag name + [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//') + + # Use Docker `latest` tag convention + [ "$VERSION" == "master" ] && VERSION=latest + + # Build and tag image + docker build . --file Dockerfile --tag $IMAGE_NAME --label "org.opencontainers.image.version=$VERSION" + docker tag $IMAGE_NAME $IMAGE_NAME:$VERSION + + # Tag with the minor version if valid + MINOR_VERSION=$(echo $VERSION | sed -n "s/^\([0-9]*.[0-9]*\).[0-9]*$/\1/p") + [[ ${#MINOR_VERSION} -gt 0 ]] && docker tag $IMAGE_NAME $IMAGE_NAME:$MINOR_VERSION + + docker push $IMAGE_NAME