Terraform variables

• https://www.terraform.io/language/values/variables: string, number, bool, any
• Terraform Cloud: https://www.terraform.io/cloud-docs/workspaces/variables

Using command line parameters:

• terraform apply -var="image_id=ami-abc123"
• terraform apply -var="image_id=ami-abc123 -var="your_second_var=yourvalue"

Using a file:

• terraform apply -var-file="your_file.tfvars"

Related

• Terraform variable types
• Terraform: variables.tf
• Variables
• auto.tfvars
• validation block introduced in terraform CLI v0.13.0 (August 2020)
• output
• -var-file

See also

• Terraform variables, types, env variables, variables.tf, .tfvars, nullable, validation, terraform.tfvars
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