update dockerfiles

Author: cupofpython

.github/workflows/build-and-push.yml

@@ -41,13 +41,15 @@ jobs:
         uses: docker/build-push-action@v6
         with:
           push: true
+          file: Dockerfile.frontend
           platforms: linux/amd64
           tags: ${{ env.REGISTRY }}/${{ env.FRONTEND_IMAGE_NAME }}:${{ inputs.IMAGE_TAG }}
 
       - name: Build and push backend
         uses: docker/build-push-action@v6
         with:
           push: true
+          file: Dockerfile.backend
           platforms: linux/amd64
           tags: ${{ env.REGISTRY }}/${{ env.BACKEND_IMAGE_NAME }}:${{ inputs.IMAGE_TAG }}