We spent a decade eliminating ClickOps with Infrastructure as Code. Now AI agents with direct write access to production are reintroducing the same risks — non-deterministic mutations, state drift, and broken audit trails — at machine speed.
Terraform's version constraints for providers and modules behave differently due to distinct persistence rules. Understanding which operators to use—and where—is essential for balancing stability with upgradeability.
How to treat Terraform modules as classes and module instances as objects to build scalable, maintainable infrastructure architectures using OOP principles.
A sustainable Terraform architecture balances environment parity, isolation, and autonomy. This guide evaluates patterns like folder-per-environment, workspaces, and per-service roots to help you choose the right structure.