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Terraform Remote State: How to Share Infrastructure State Across Teams

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Terraform's terraform_remote_state data source enables teams to access and share state files stored in remote backends such as AWS S3 or Azure Blob Storage, rather than managing them locally. This approach supports centralized state management, improves scalability, and facilitates collaboration across multiple teams and environments. However, it introduces trade-offs including backend unavailability, potential data inconsistency during live operations, and added infrastructure costs. To reduce risk, practitioners are advised to use IAM roles for secure access, enable backend versioning, and maintain regular state backups. Thorough testing of configurations that depend on remote state is also recommended before deployment.

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