Update instance types and node counts in aws.tfvars

Signed-off-by: bhumi46 <111699703+bhumi46@users.noreply.github.com>

Author: bhumi46

terraform/implementations/aws/infra/aws.tfvars

@@ -18,9 +18,9 @@ aws_provider_region = "ap-south-1"
 # - Capacity exclusions are optional and configurable below
 
 # The instance type for Kubernetes nodes (control plane, worker, etcd)
-k8s_instance_type = "t3a.2xlarge"
+k8s_instance_type = "t3.2xlarge"
 # The instance type for Nginx server (load balancer)
-nginx_instance_type = "t3a.2xlarge"
+nginx_instance_type = "t3.2xlarge"
 
 # Optional: Exclude specific AZs due to known capacity issues
 # Leave empty for fully dynamic behavior (recommended)
@@ -48,11 +48,11 @@ nginx_node_ebs_volume_size_2 = 200 # Enable second EBS volume for PostgreSQL tes
 k8s_instance_root_volume_size = 64
 
 # Control-plane, ETCD, Worker
-k8s_control_plane_node_count = 3
+k8s_control_plane_node_count = 1
 # ETCD, Worker
-k8s_etcd_node_count = 3
+k8s_etcd_node_count = 1
 # Worker
-k8s_worker_node_count = 2
+k8s_worker_node_count = 1
 
 # Rancher Import Configuration