sudo sed -i "s|https://registry-1.docker.io|http://172.21.1.1:5000|" /var/snap/microk8s/current/args/containerd-template.toml
sudo systemctl restart snap.microk8s.daemon-containerd.service
sudo snap alias microk8s.kubectl kubectl
sudo sed -i "s|https://registry-1.docker.io|http://172.21.1.1:5000|" /var/snap/microk8s/current/args/containerd-template.toml
sudo systemctl restart snap.microk8s.daemon-containerd.service
sudo snap alias microk8s.kubectl kubectl