The article discusses the prerequisites for deploying GKE clusters with Terraform, emphasizing the need for a well-configured service account with specific permissions. It highlights the importance of implementing the least privilege principle to avoid broad access that exposes security risks. The author shares personal experiences and considerations regarding assigning roles, using Terraform Cloud, and enabling necessary GCP services for resource provisioning. Additionally, instructions for generating and formatting service account JSON keys are provided, illustrating practical steps toward successful GCP integrations.
To deploy GKE clusters and manage IAM with Terraform, configure a service account with tailored permissions for least privilege access.
Assigning overly broad permissions like Owner is a security risk, so focus on the least privilege principle by granting only necessary access.
Ensure to enable necessary GCP services before provisioning resources with Terraform to avoid errors related to missing services.
A service account is vital for accessing GCP securely, especially when managing IAM bindings and using Helm charts with service accounts.
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