fix: docker build context

.github/workflows/main_msal-react-demo-kotahusky.yml

@@ -29,11 +29,6 @@ jobs:
 
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v2
-      with:
-        context: .  # This uses the current directory (which includes .next after the build) as the context
-        file: ./Dockerfile
-        push: true
-        tags: yourtag
 
     - name: Log in to registry
       uses: docker/login-action@v3
@@ -46,7 +41,7 @@ jobs:
       with:
         push: true
         tags: index.docker.io/${{ secrets.DOCKERHUB_USERNAME }}/kota-private:${{ github.sha }}
-        file: ./Dockerfile
+        context: .
 
   deploy:
     runs-on: ubuntu-latest