<ul><li>Terraform is crucial for Infrastructure as Code (IaC), but maintaining Terraform code as infrastructure scales requires best practices.</li><li>Organize Terraform code with a consistent directory structure for better maintenance and deployment consistency.</li><li>Split resources into logical modules to make code more maintainable and reusable.</li><li>Use variables for configuration to ensure flexibility and documentation within modules.</li><li>Implement consistent naming and tagging conventions for improved resource management.</li><li>Utilize data sources to reference external resources and keep code flexible and maintainable.</li><li>Maintain consistent backend configurations for Terraform state with proper locking for team collaboration.</li><li>Version providers and modules to ensure reproducible infrastructure and prevent unexpected changes.</li><li>Use loops and conditionals for efficient, concise code and implement automated testing for validation.</li><li>While workspaces can be useful, separate environment directories with state files are preferred for production infrastructure.</li></ul>

Terraform Infrastructure as Code Best Practices

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