# Terraform notes

# Workflow

Workflow

terraform init
terraform plan
terraform apply
terraform destroy

# Aws

# How terraform authenticate Aws

Environment Variables: AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY
Parameters in the provider config (hard code)
Shared Credentials and Configuration Profile (path to creds)
through AWS CLI
EC2 Instance Profiles
Assuming Roles with Assume Role

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# Snippets

# Store state in S3

terraform {
  backend "s3" {
    bucket = "terraform-state" # create before init
    key    = "global/partizan/dev/terraform.tfstate"
    region = "ap-southeast-1"
    encrypt = true
  }
}

# Remove a resource from state

terraform state list
terraform state rm <resource-id>

hen you need to delete the associated configuration from your codebase & run plan to check