Added terraform provider

Author: Emmy-github-webdev

terraform/main.tf

@@ -0,0 +1,33 @@
+terraform {
+  required_version = ">= 1.0"
+  
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = "~> 5.0"
+    }
+  }
+
+  backend "s3" {
+    bucket = var.terraform_backend_bucket
+    key    = "${var.project_name}/${var.environment}/tfstate"
+    region = var.aws_region
+  }
+}
+
+provider "aws" {
+  region = var.aws_region
+
+  default_tags {
+    tags = local.common_tags
+  }
+}
+
+locals {
+  common_tags = {
+    Environment = var.environment
+    Project     = var.project_name
+    ManagedBy   = "Terraform"
+    CreatedAt   = timestamp()
+  }
+}

terraform/variables.tf

@@ -2,4 +2,30 @@ variable "aws_region" {
   default = "us-east-1"
   description = "AWS region"
   type = string
+}
+
+variable "terraform_backend_bucket" {
+  default = ""
+  description = "AWS Bucket for Terraform backend"
+  type = string
+}
+
+variable "environment" {
+  validation {
+    condition = contains(["staging", "prod"], var.environment)
+    error_message = "Environment must be either staging or prod"
+  }
+  description = "Deployment environment name (staging or prod)"
+  type = string
+}
+
+variable "lambda_funtion_dir" {
+  default = "../lambda"
+  description = "Directory containing Lambda function source code"
+  type = string
+}
+variable "project_name" {
+  default = "serverless-health-check-api"
+  description = "Project name for tagging and resource naming"
+  type = string
 }