workflow

Author: hanwg

.github/workflows/docker-publish.yaml

@@ -23,6 +23,8 @@ jobs:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Get BUILD_VERSION
+        run: echo "$(grep "ARG BUILD_VERSION=" Dockerfile | cut -d' ' -f2)" >> $GITHUB_ENV
       - name: Build and publish
         uses: docker/build-push-action@master
         with: