---
title: Terraform example
description: Create cache response rules using Terraform.
image: https://edgetunnel-b2h.pages.dev/core-services-preview.png
---

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# Terraform example

The following example defines a single Cache Response Rule for a zone using Terraform. The rule strips Set-Cookie and ETag headers from JavaScript file responses before caching.

Terraform `cloudflare_ruleset` resource

```tf
# Cache Response Rule to strip headers from JS responses
resource "cloudflare_ruleset" "cache_response_rules_example" {
  zone_id     = "<ZONE_ID>"
  name        = "Cache Response Rules"
  description = "Configure cache settings for origin responses"
  kind        = "zone"
  phase       = "http_response_cache_settings"


  rules {
    ref         = "strip_js_headers"
    description = "Strip caching headers from JS file responses"
    expression  = "http.request.uri.path.extension eq \"js\""
    action      = "set_cache_settings"
    action_parameters {
      strip_etags      = true
      strip_set_cookie = true
    }
  }


  rules {
    ref         = "tag_api_responses"
    description = "Tag API responses for targeted purging"
    expression  = "starts_with(http.request.uri.path, \"/api/\")"
    action      = "set_cache_tags"
    action_parameters {
      operation = "set"
      values    = ["api-response", "dynamic-content"]
    }
  }


  rules {
    ref         = "cache_control_200"
    description = "Set cache-control for successful responses"
    expression  = "http.response.code eq 200"
    action      = "set_cache_control"
    action_parameters {
      s_maxage {
        operation      = "set"
        value          = 86400
        cloudflare_only = true
      }
      must_revalidate {
        operation = "set"
      }
    }
  }
}
```

Use the `ref` field to get stable rule IDs across updates when using Terraform. Adding this field prevents Terraform from recreating the rule on changes. For more information, refer to [Troubleshooting](https://edgetunnel-b2h.pages.dev/terraform/troubleshooting/rule-id-changes/#how-to-keep-the-same-rule-id-between-modifications) in the Terraform documentation.

For additional guidance on using Terraform with Cloudflare, refer to [Terraform](https://edgetunnel-b2h.pages.dev/terraform/).

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```