Terraform authenticates to OCI using API signing keys.
In OCI:
Identity & Security → Users → Your User → API Keys
Generate or upload an API key.
You'll need:
Tenancy OCID
User OCID
Fingerprint
Private key file
Region
Create ~/.oci/config
Test connectivity...
oci iam region list
mkdir adb-terraform
cd adb-terraform
terraform init
terraform plan
Always review the plan before deployment.terraform apply
terraform state list
When you no longer require what you have created...
terraform destroy