https://blog.corneschi.ro/tags/backend/Recent content in Backend on Daniel CorneschiHugoenDaniel CorneschiFri, 09 Oct 2026 22:08:09 +0300https://blog.corneschi.ro/posts/terraform-tfstate-vs-terraform-directory-state/Fri, 09 Oct 2026 00:00:00 +0000https://blog.corneschi.ro/posts/terraform-tfstate-vs-terraform-directory-state/<h2 id="overview">Overview</h2> <p>These two files serve completely different purposes in a Terraform workflow, and confusing them is a common source of frustration.</p> <p>Everything below was tested with Terraform 1.16.5 on Debian, with an S3 backend running against a local S3-compatible server. The outputs shown are real.</p> <h2 id="terraformtfstate-root-state-file">terraform.tfstate (Root State File)</h2> <p><strong>Location:</strong> <code>./terraform.tfstate</code> (project root, or remote backend)</p> <p>This is the <strong>actual state file</strong> — the source of truth for what Terraform has provisioned. It maps your declared resources to real-world infrastructure objects (IDs, attributes, dependencies).</p>