# Copy to terraform.tfvars and adjust. region = "us-east-1" # ARM/Graviton (recommended — ~20% cheaper). For x86 use t3.medium + ami_architecture = "x86_64". instance_type = "t4g.medium" ami_architecture = "arm64" root_volume_size = 30 ssh_public_key_path = "~/.ssh/id_ed25519.pub" # IMPORTANT: lock SSH to your IP. allowed_ssh_cidr = "203.0.113.4/32" domain = "timeline.example.com"