Testing docker labels/tags.

Author: Kasper Peeters

.github/workflows/docker.yml

@@ -50,15 +50,15 @@ jobs:
 
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@master
-      
+
     - name: Build Docker image
       uses: docker/build-push-action@master
       with:
         platforms: linux/${{ matrix.arch }}
         context: .
         file: docker/Dockerfile
         push: true
-	#${{ github.ref == 'master' }}
+#${{ github.ref == 'master' }}
         labels: ${{ steps.meta.outputs.labels }}
         tags:   cadabra2-jupyter-${{ matrix.arch }}:latest
         outputs: type=docker,dest=cadabra2-jupyter-${{ matrix.arch }}.tar
@@ -67,4 +67,4 @@ jobs:
       uses: actions/upload-artifact@main
       with:
         name: cadabra2-jupyter-${{ matrix.arch }}
-        path: cadabra2-jupyter-${{ matrix.arch }}.tar
+        path: cadabra2-jupyter-${{ matrix.arch }}.tar