sudo curl -fsSL https://download.docker.com/linux/debian/gpg -o /etc/apt/keyrings/docker.asc
sudo chmod a+r /etc/apt/keyrings/docker.asc

# Add the repository to Apt sources:
sudo tee /etc/apt/sources.list.d/docker.sources <<EOF
Types: deb
URIs: https://download.docker.com/linux/debian
Suites: $(. /etc/os-release && echo "$VERSION_CODENAME")
Components: stable
Signed-By: /etc/apt/keyrings/docker.asc
EOF

sudo apt update && sudo apt upgrade
sudo apt install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
# if no group docker exists, create it

if ! getent group docker > /dev/null 2>&1; then
    sudo groupadd docker
    sudo usermod -aG docker $USER || true
    newgrp docker || echo "newgrp command failed, please log out and log back in to apply group changes."
    sudo systemctl restart docker || echo "Failed to restart docker service, please check the service status manually."
    sudo systemctl enable docker.service || echo "Failed to enable docker service, please check the service status manually."
    sudo systemctl enable containerd.service || echo "Failed to enable containerd service, please check the service status manually."
fi

echo "Docker has been installed and configured."