125 lines
2.5 KiB
Terraform
125 lines
2.5 KiB
Terraform
# Example Terraform Configuration for AWS Web Application
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# This example creates a simple web application infrastructure
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terraform {
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required_version = ">= 1.6.0"
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required_providers {
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aws = {
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source = "hashicorp/aws"
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version = "~> 5.0"
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}
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}
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}
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provider "aws" {
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region = var.aws_region
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}
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# VPC Module
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module "vpc" {
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source = "../../modules/vpc"
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name_prefix = var.name_prefix
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vpc_cidr = "10.0.0.0/16"
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availability_zones = ["us-east-1a", "us-east-1b", "us-east-1c"]
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public_subnet_cidrs = ["10.0.1.0/24", "10.0.2.0/24", "10.0.3.0/24"]
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private_subnet_cidrs = ["10.0.11.0/24", "10.0.12.0/24", "10.0.13.0/24"]
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enable_nat_gateway = true
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single_nat_gateway = false # One NAT per AZ for HA
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tags = local.common_tags
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}
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# Security Groups
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resource "aws_security_group" "alb" {
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name = "${var.name_prefix}-alb-sg"
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description = "Security group for Application Load Balancer"
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vpc_id = module.vpc.vpc_id
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ingress {
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from_port = 443
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to_port = 443
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protocol = "tcp"
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cidr_blocks = ["0.0.0.0/0"]
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description = "HTTPS from internet"
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}
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egress {
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from_port = 0
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to_port = 0
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protocol = "-1"
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cidr_blocks = ["0.0.0.0/0"]
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}
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tags = merge(
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local.common_tags,
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{ Name = "${var.name_prefix}-alb-sg" }
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)
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}
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# Application Load Balancer
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resource "aws_lb" "main" {
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name = "${var.name_prefix}-alb"
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internal = false
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load_balancer_type = "application"
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security_groups = [aws_security_group.alb.id]
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subnets = module.vpc.public_subnet_ids
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enable_deletion_protection = var.environment == "prod"
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tags = merge(
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local.common_tags,
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{ Name = "${var.name_prefix}-alb" }
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)
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}
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# Common tags
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locals {
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common_tags = {
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Environment = var.environment
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Project = var.project_name
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ManagedBy = "Terraform"
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Owner = var.owner
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}
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}
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# Variables
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variable "aws_region" {
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description = "AWS region"
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type = string
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default = "us-east-1"
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}
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variable "name_prefix" {
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description = "Prefix for resource names"
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type = string
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}
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variable "environment" {
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description = "Environment name"
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type = string
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}
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variable "project_name" {
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description = "Project name"
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type = string
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}
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variable "owner" {
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description = "Owner email"
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type = string
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}
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# Outputs
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output "vpc_id" {
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description = "VPC ID"
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value = module.vpc.vpc_id
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}
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output "alb_dns_name" {
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description = "ALB DNS name"
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value = aws_lb.main.dns_name
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}
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