In short
Reusable, parameterized bundles of Terraform configuration — avoiding copy-pasted infrastructure code across environments (dev/staging/prod) the same way functions avoid copy-pasted application code.
How to learn this
- 1Refactor a Terraform configuration into a reusable module with input variables.
- 2Use your module to provision the same infrastructure pattern twice with different parameters.
- 3Explore a public Terraform module registry for well-tested, community-maintained modules.
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