changed flask run command

terraform/main.tf

@@ -6,39 +6,29 @@ resource "aws_instance" "py_server" {
   ami           = "ami-06946f6c9b153d494"
   instance_type = "t2.micro"
 
-user_data = <<-EOF
+  user_data = <<-EOF
               #!/bin/bash
               sudo apt-get update
               sudo apt-get install -y python3 python3-pip
-
-              # Install Flask
               pip3 install flask
-
-              # Create application directory
               mkdir -p /home/ubuntu/app
-
-              # Write the Python script to a file
               cat <<EOL > /home/ubuntu/app/app.py
               from flask import Flask
-
               app = Flask(__name__)
-
               @app.route('/')
               def hello():
                   return "Hello from Python!"
-
               app.run(host='0.0.0.0', port=5000)
               EOL
-
-              # Change to the application directory and run the app
               cd /home/ubuntu/app
-              python3 app.py &
+              nohup python3 /home/ubuntu/app/app.py &
               EOF
 
   tags = {
     Name = "FlaskAppInstance"
   }
 
+  vpc_security_group_ids = [aws_security_group.allow_http.id]
 }
 
 resource "aws_security_group" "allow_http" {