Terraform Best Practices
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Code styling
- Examples and Terraform modules should contain documentation explaining features and how to use them.
- All links in README.md files should be absolute to make Terraform Registry website show them correctly.
- Use Terraform pre-commit hooks to make sure that the code is valid, properly formatted, and automatically documented before it is pushed to git and reviewed by humans.
Documentation
Automatically generated documentation
pre-commit is a framework for managing and maintaining multi-language pre-commit hooks. It is written in Python and is a powerful tool to do something automatically on a developer's machine before code is committed to a git repository. Normally, it is used to run linters and format code (see supported hooks).
With Terraform configurations
pre-commit can be used to format and validate code, as well as to update documentation.Check out the pre-commit-terraform repository to familiarize yourself with it, and existing repositories (eg, terraform-aws-vpc) where this is used already.
terraform-docs
terraform-docs is a tool that does the generation of documentation from Terraform modules in various output formats. You can run it manually (without pre-commit hooks), or use pre-commit-terraform hooks to get the documentation updated automatically.
@todo: Document module versions, release, GH actions
Resources
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