add block to fetch tags

.github/workflows/publish-to-dockerhub.yml

@@ -25,6 +25,9 @@ jobs:
       - uses: actions/checkout@v2
         if: github.event_name == 'push'
 
+      - name: Get tags
+        run: git fetch --tags origin
+
       - name: Login to DockerHub
         uses: docker/login-action@v1
         with:
@@ -36,6 +39,6 @@ jobs:
           DOCKERHUB_REPO: ${{ secrets.DOCKERHUB_REPO }}
         run: |
           # Check if the current commit has a tag and use it; otherwise, use the short SHA of the HEAD commit
-          COUNTRY_CONFIG_VERSION=$(git describe --tags --exact-match 2>/dev/null || git rev-parse --short=7 HEAD)
+          export COUNTRY_CONFIG_VERSION=$(git describe --tags --exact-match 2>/dev/null || git rev-parse --short=7 HEAD)
           echo "Publishing a Docker image with a tag $COUNTRY_CONFIG_VERSION"
           bash build-and-push.sh && unset COUNTRY_CONFIG_VERSION