2014-07-28 19:43:00 +02:00
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---
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layout: "docs"
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page_title: "Configuration"
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sidebar_current: "docs-config"
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---
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# Configuration
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Terraform uses text files to describe infrastructure and to set variables.
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These text files are called Terraform _configurations_ and end in
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`.tf`. This section talks about the format of these files as well as
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how they're loaded.
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The format of the configuration files are able to be in two formats:
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Terraform format and JSON. The Terraform format is more human-readable,
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supports comments, and is the generally recommended format for most
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Terraform files. The JSON format is meant for machines to create,
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modify, and update, but can also be done by Terraform operators if
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you prefer. Terraform format ends in `.tf` and JSON format ends in
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`.tf.json`.
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Click a sub-section in the navigation to the left to learn more about
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Terraform configuration.
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