add logging

.gitea/workflows/test.yaml

@@ -12,6 +12,12 @@ jobs:
   docker:
     runs-on: ubuntu-latest
     steps:
+      - name: Show Docker connection env
+        run: |
+          echo "DOCKER_HOST=$DOCKER_HOST"
+          echo "DOCKER_TLS_VERIFY=$DOCKER_TLS_VERIFY"
+          echo "DOCKER_CERT_PATH=$DOCKER_CERT_PATH"
+          docker version
       - name: Setup Docker Buildx
         id: buildx
         uses: docker/setup-buildx-action@v3