fix: ami of kubctl server instance not provided

main.tf

@@ -139,6 +139,17 @@ resource "aws_vpc_security_group_egress_rule" "internet_access" {
 # Kubectl Server               #
 ################################
 
+data "aws_ami" "amazon_linux" {
+  most_recent = true
+
+  owners = ["amazon"]
+
+  filter {
+    name   = "image-id"
+    values = ["ami-03484a09b43a06725"]
+  }
+}
+
 resource "aws_key_pair" "kubectl" {
   key_name   = "${var.identifier}-kubectl"
   public_key = var.public_key
@@ -147,6 +158,7 @@ resource "aws_key_pair" "kubectl" {
 }
 
 resource "aws_instance" "kubectl" {
+  ami                         = data.aws_ami.amazon_linux.id
   key_name                    = aws_key_pair.kubectl.id
   instance_type               = "t2.micro"
   associate_public_ip_address = true

variables.tf

@@ -20,7 +20,7 @@ variable "kubectl_subnet" {
   description = "The ID of the subnet for the instance which acts as kubectl server."
   type        = string
   validation {
-    condition     =  startswith(var.kubectl_subnet, "subnet-")
+    condition     = startswith(var.kubectl_subnet, "subnet-")
     error_message = "Kubectl subnet must be a valid subnet ID"
   }
 }
@@ -57,20 +57,20 @@ variable "instance_types" {
 
 variable "desired_size" {
   description = "Desired amount of nodes in the node group."
-  type= number
-  default = 1
+  type        = number
+  default     = 1
 }
 
 variable "min_size" {
   description = "Minimum amount of nodes in the node group."
-  type= number
-  default = 1
+  type        = number
+  default     = 1
 }
 
 variable "max_size" {
   description = "Maximum amount of nodes in the node group."
-  type= number
-  default = 1
+  type        = number
+  default     = 1
 }
 
 variable "tags" {