export INSTANCE=
export PORT_NO=
export FIREWALL=
export ZONE=
curl -LO raw.githubusercontent.com/QUICK-GCP-LAB/2-Minutes-Labs-Solutions/main/Implement%20Load%20Balancing%20on%20Compute%20Engine%20Challenge%20Lab/gsp313.sh
sudo chmod +x gsp313.sh
./gsp313.sh
Solution picked from github
YouTube video Link:-