Update Dockerfile path for nightly image build

.github/workflows/publish-docker-nightly.yaml

@@ -40,11 +40,11 @@ jobs:
         uses: docker/build-push-action@v5
         with:
           context: .
-          file: ./Dockerfile
+          file: ./RackPeek.Web/Dockerfile
           platforms: linux/amd64,linux/arm64
           push: true
           target: final
           tags: |
             aptacode/rackpeek:nightly
             aptacode/rackpeek:nightly-${{ env.SHORT_SHA }}
-            aptacode/rackpeek:nightly-${{ env.DATE_TAG }}
+            aptacode/rackpeek:nightly-${{ env.DATE_TAG }}