fixing context definition in push-image workflow

Author: cremuzzi

.github/workflows/push-image.yml

@@ -28,7 +28,7 @@ jobs:
       - name: Build and push Docker image
         uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
         with:
-          context: ./alpine/
+          context: .
+          labels: ${{ steps.meta.outputs.labels }}
           push: true
           tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}