Google Cloud Platform (GCP)

Instance Template

Steps:

1. 建立 VM Instance (via web)
2. 建立 Custom Image for VM Instance (via web)
3. 建立 Instance Template for Custom Image (via web)
4. 用 Instance Template 新增多個 VM Instances（via CLI or web） 

# sets up the authentication
gcloud init

# create new VM instances with the template named vm1-template
gcloud compute instances create --zone "Zone" --source-instance-template vm1-template vm2 vm3 vm4 vm5 vm6 vm7 vm8
gcloud compute instances list