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⚡️Data sources

As per Terraform definition: Data sources allow Terraform to use information defined outside of Terraform, defined by another separate Terraform configuration, or modified by functions. 

They are heavily used in architecture to reference and/or get information about a resource already deployed. Data resources could be 
  • A common resource shared between multiple architecture
  • For security reason (read-only access)
  • Managed by another team

⚠️ Note that each provider may offer data sources alongside its set of resource types.