To enable GPU usage inside docker container use the following install first in your host machine

# Configure the production repository
curl -fsSL https://nvidia.github.io/libnvidia-container/gpgkey | sudo gpg --dearmor -o /usr/share/keyrings/nvidia-container-toolkit-keyring.gpg \
  && curl -s -L https://nvidia.github.io/libnvidia-container/stable/deb/nvidia-container-toolkit.list | \
    sed 's#deb https://#deb [signed-by=/usr/share/keyrings/nvidia-container-toolkit-keyring.gpg] https://#g' | \
    sudo tee /etc/apt/sources.list.d/nvidia-container-toolkit.list

# Update package list
sudo apt-get update

# Install NVIDIA Container Toolkit
sudo apt-get install -y nvidia-container-toolkit

# Configure Docker to use NVIDIA runtime
sudo nvidia-ctk runtime configure --runtime=docker

# Restart Docker
sudo systemctl restart docker