new file ubuntu-init.yaml & new file ubuntu-instance.tf

```

ubuntu-instance.tf

@@ -0,0 +1,41 @@
+
+provider "aws" {
+    region = "us-east-1"
+}
+
+resource "aws_instance" "example" {
+    ami           = "ami-0c94855ba95c71c99"  # Ubuntu 20.04 LTS
+    instance_type = "t2.micro"
+    associate_public_ip_address = true
+
+    root_block_device {
+        volume_size = 50
+        volume_type = "gp2"
+    }
+
+    user_data = file("${path.module}/ubuntu-init.yaml")
+
+    tags = {
+        Name = "cloud-init-example"
+    }
+}
+
+resource "aws_security_group" "example_sg" {
+    name        = "example_sg"
+    description = "Example security group"
+
+    ingress {
+        from_port   = 22
+        to_port     = 22
+        protocol    = "tcp"
+        cidr_blocks = ["0.0.0.0/0"]
+    }
+}
+
+resource "aws_security_group" "example_sg" {
+    ingress {
+        from_port   = 22
+        to_port     = 22
+        protocol    = "tcp"
+    }
+}