Merge pull request #35 from aertje/cicd

Fix docker publish conditional

Author: aertje

.github/workflows/workflow.yml

@@ -52,7 +52,7 @@ jobs:
   docker-publish:
     runs-on: ubuntu-latest
     needs: [test, docker-smoke-test]
-    if:  ${{ github.event_name == 'push' && startsWith('refs/tags/v', github.ref) }}
+    if:  ${{ github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v') }}
     steps:
       - name: Checkout
         uses: actions/checkout@v2