variable "aws_region" {

    default = "aws_region"

}

variable "vpc_cidr" {

    default = "cidr_value"

}

variable "public_subnet_cidr" {

    default = "cidr_value"

}

variable "public_subnet1_cidr" {

    default = "cidr_value"

}

variable "user" {

    default = "user_of_instance" 

}

variable "public_key" {

    default = "$PWD_publickey"

}

variable "private_key" {

    default = "$PWD_privatekey"

}

variable "aws_access_key" {

    default = "aws_access_key"

}

variable "aws_secret_key" {

    default = "aws_secrete_key"

}

variable "instance_name" {

    default = "instance_name"  

}