Update Dockerfile

Dockerfile

@@ -6,7 +6,7 @@ RUN dpkg --add-architecture amd64
 RUN apt-get update && \
     apt-get install -y --no-install-recommends gnupg2 curl ca-certificates
 RUN apt-key adv --fetch-keys https://developer.download.nvidia.com/compute/cuda/repos/debian11/x86_64/7fa2af80.pub
-RUN "deb https://developer.download.nvidia.com/compute/cuda/repos/debian11/x86_64 /" | sudo tee /etc/apt/sources.list.d/cuda.list
+RUN echo "deb https://developer.download.nvidia.com/compute/cuda/repos/debian11/x86_64 /" | sudo tee /etc/apt/sources.list.d/cuda.list
 
 # Install FFmpeg
 RUN apt-get update && \