add readme

main.tf

@@ -44,25 +44,11 @@ resource "aws_subnet" "subnets" {
   }
 }
 
-# --- AMI Amazon Linux 2023 (derniere version) ---
-data "aws_ami" "amazon_linux" {
-  most_recent = true
-  owners      = ["amazon"]
-
-  filter {
-    name   = "name"
-    values = ["al2023-ami-*-x86_64"]
-  }
-
-  filter {
-    name   = "virtualization-type"
-    values = ["hvm"]
-  }
-}
+# --- AMI ---
 
 # --- Instance EC2 ---
 resource "aws_instance" "server" {
-  ami           = data.aws_ami.amazon_linux.id
+  ami           = var.ami_id
   instance_type = var.instance_type
   subnet_id     = aws_subnet.subnets[0].id