Update Dockerfile

Dockerfile

@@ -2,7 +2,7 @@ FROM python:3.9
 WORKDIR /app
 
 RUN distribution=$(. /etc/os-release;echo $ID$VERSION_ID) \
-  && curl -s -L https://nvidia.github.io/nvidia-docker/gpgkey | sudo apt-key add - \
+  && curl -s -L https://nvidia.github.io/nvidia-docker/gpgkey | apt-key add - \
   && curl -s -L https://nvidia.github.io/nvidia-docker/$distribution/nvidia-docker.list | tee /etc/apt/sources.list.d/nvidia-docker.list \
   && apt-get update && apt-get install -y nvidia-container-toolkit