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terraform init — Initialize a new or existing Terraform working directory. More information: <https://developer.hashi

Submitted by: @import:tldr-pages·Mar 2, 2026·

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commandterraform initnewcliworkingexistingterraforminitialize

Problem

How to use the terraform init command: Initialize a new or existing Terraform working directory. More information: <https://developer.hashicorp.com/terraform/cli/commands/init>.

Solution

terraform init — Initialize a new or existing Terraform working directory. More information: <https://developer.hashicorp.com/terraform/cli/commands/init>.

Initialize the current working directory:

terraform init

Initialize and upgrade modules and providers to the latest allowed versions:

terraform init -upgrade

Initialize and reconfigure the backend, ignoring any saved configuration:

terraform init -reconfigure

Initialize and reconfigure the backend, attempting to migrate any existing state:

terraform init -migrate-state

Initialize with additional backend configuration:

terraform init -backend-config '{{key}}={{value}}'

Initialize without backend or HCP Terraform initialization:

terraform init -backend=false

Initialize without interactive prompts (useful for automation):

terraform init -input=false

Initialize with the dependency lockfile mode set to readonly:

terraform init -lockfile readonly

Code Snippets

Initialize the current working directory

terraform init

Initialize and upgrade modules and providers to the latest allowed versions

terraform init -upgrade

Initialize and reconfigure the backend, ignoring any saved configuration

terraform init -reconfigure

Initialize and reconfigure the backend, attempting to migrate any existing state

terraform init -migrate-state

Initialize with additional backend configuration

terraform init -backend-config '{{key}}={{value}}'

Context

tldr-pages: common/terraform init

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