Terraform Architecture and Providers on GCP
Explore Terraform's provider workflow on GCP, from provider locking and upgrades to provisioners and startup scripts for VM configuration.

Lab Overview
This lab aligns the GCP experience with the AWS and Azure provider architecture labs while staying native to Google Cloud. You will work through the same Terraform concepts using the Google provider and Google Compute Engine.
You will:
- Lock and upgrade the Google provider with the dependency lock file
- Deploy a Compute Engine VM that demonstrates `local-exec`, `remote-exec`, and `file` provisioners
- Replace provisioners with a GCP startup script for a more cloud-native bootstrap workflow
- See how Terraform can recreate an instance when startup configuration changes
The focus is on Terraform architecture decisions: how providers are selected, when provisioners are useful, and why startup scripts are usually the better long-term pattern.
What You'll Learn
Lock and upgrade Google provider versions safely with .terraform.lock.hcl
Use local-exec, remote-exec, and file provisioners in a Google Compute Engine workflow
Compare provisioners with metadata startup scripts for VM bootstrapping on GCP
Understand how configuration changes can trigger instance replacement in an immutable workflow
Prerequisites
Your First Terraform Workflow on GCP
Technologies Covered
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