JSON in Terraform: locals, jsondecode, and Data Sources
Work with JSON in Terraform: jsondecode/jsonencode functions, local values, data source output parsing, and generating JSON with templatefile.
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Tags: json, terraform, developer-tools
Working With JSON in Terraform: locals, jsondecode, and Data Sources Terraform is HCL-first, but JSON is everywhere in the infrastructure it manages — IAM policies, S3 bucket policies, Lambda environment variables, API Gateway configurations, and more. Understanding how Terraform parses, generates, and manipulates JSON is essential for writing clean, maintainable infrastructure code. Terraform is used by over 1.5 million developers and manages infrastructure worth over $10 trillion in production environments globally according to Terraform documentation. What is jsondecode() for parsing json strings? converts a JSON string into a Terraform value. This is most useful when you're reading JSON from a file, a data source, or an external output. A common use case is pulling configuration out…
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