is proposed as a paradigm shift: reactive IaC . It introduces two new concepts:

The closest naming match in the ecosystem is the .

A web service that must spin up a canary instance whenever a GitHub issue labeled “performance” is created.

HashiCorp Terraform has become the standard for provisioning cloud infrastructure. Its workflow ( plan , apply , destroy ) relies on a static configuration and a finite state file. However, modern applications require infrastructure that adapts—scaling not just on fixed metrics but on complex event patterns (e.g., a git push to a specific branch, a Kafka message, or an anomaly detection alert).