Dev

LICENSE

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+MIT License
+
+Copyright (c) 2024 Bala Prasanth Babu
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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-# terraform-aws-web-app
+# Terraform AWS Web App
+
+This repository contains Terraform code to set up AWS infrastructure for a web application, including a VPC, subnet, internet gateway, route table, security group, and an EC2 instance running a web server.
+
+## Prerequisites
+
+Before you begin, ensure you have the following installed:
+
+- [Terraform](https://www.terraform.io/downloads.html)
+- An [AWS account](https://aws.amazon.com/)
+- AWS CLI configured with appropriate permissions
+
+## Getting Started
+
+### Clone the Repository
+
+```bash
+git clone https://github.com/prasanth624/terraform-aws-web-app.git
+cd terraform-aws-web-app
+```
+
+### Initialize Terraform
+
+Run the following command to initialize the Terraform configuration:
+
+```bash
+terraform init
+```
+
+### Plan the Infrastructure
+
+To see what Terraform will create, run:
+
+```bash
+terraform plan
+```
+
+### Apply the Configuration
+
+To create the infrastructure, run:
+
+```bash
+terraform apply
+```
+
+You will be prompted to confirm the action. Type `yes` to proceed.
+
+### Outputs
+
+After the infrastructure is created, you can see the outputs by running:
+
+```bash
+terraform output
+```
+
+## Cleanup
+
+To remove all resources created by Terraform, run:
+
+```bash
+terraform destroy
+```
+
+You will be prompted to confirm the destruction. Type `yes` to proceed.
+
+## Contributing
+Feel free to fork the repository and submit pull requests for any improvements or features you'd like to add!
+
+## License
+This project is licensed under the MIT License. See the LICENSE file for more details.

ec2.tf

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+resource "aws_instance" "web" {
+  ami                         = var.ami_id
+  instance_type               = "var.instance_type"
+  subnet_id                   = aws_subnet.main.id
+  vpc_security_group_ids      = [aws_security_group.ec2_sg.id]
+  associate_public_ip_address = true
+
+  user_data = <<-EOF
+              #!/bin/bash
+              yum update -y
+              yum install -y httpd
+              echo "Hello Terraform!" > /var/www/html/index.html
+              systemctl start httpd
+              systemctl enable httpd
+              EOF
+
+  tags = {
+    Name = "MyWebServer"
+  }
+}

network.tf

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+resource "aws_vpc" "main" {
+  cidr_block = "10.0.0.0/16"
+}
+
+resource "aws_subnet" "main" {
+  vpc_id            = aws_vpc.main.id
+  cidr_block        = "10.0.1.0/24"
+  availability_zone = var.availability_zone
+}
+
+resource "aws_internet_gateway" "main" {
+  vpc_id = aws_vpc.main.id
+}
+
+resource "aws_route_table" "main" {
+  vpc_id = aws_vpc.main.id
+
+  route {
+    cidr_block = "0.0.0.0/0"
+    gateway_id = aws_internet_gateway.main.id
+  }
+}
+
+resource "aws_route_table_association" "a" {
+  subnet_id      = aws_subnet.main.id
+  route_table_id = aws_route_table.main.id
+}
+
+resource "aws_security_group" "ec2_sg" {
+  vpc_id = aws_vpc.main.id
+
+  ingress {
+    from_port   = 22
+    to_port     = 22
+    protocol    = "tcp"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  ingress {
+    from_port   = 80
+    to_port     = 80
+    protocol    = "tcp"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  egress {
+    from_port   = 0
+    to_port     = 0
+    protocol    = "-1"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+}
+

outputs.tf

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+output "vpc_id" {
+  description = "The ID of the created VPC"
+  value       = aws_vpc.main.id
+}
+
+output "subnet_id" {
+  description = "The ID of the created Subnet"
+  value       = aws_subnet.main.id
+}
+
+output "internet_gateway_id" {
+  description = "The ID of the created Internet Gateway"
+  value       = aws_internet_gateway.main.id
+}
+
+output "route_table_id" {
+  description = "The ID of the created Route Table"
+  value       = aws_route_table.main.id
+}
+
+output "security_group_id" {
+  description = "The ID of the security group"
+  value       = aws_security_group.ec2_sg.id
+}
+
+output "ec2_instance_id" {
+  description = "The ID of the created EC2 Instance"
+  value       = aws_instance.web.id
+}
+
+output "ec2_instance_public_ip" {
+  description = "The public IP address of the EC2 Instance"
+  value       = aws_instance.web.public_ip
+}

providers.tf

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+terraform {
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = "~> 4.0"
+    }
+  }
+}
+
+provider "aws" {
+  region = var.aws_region
+
+  default_tags {
+    tags = var.default_tags
+  }
+}

terraform.tfvars

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+aws_region        = "us-east-1"
+availability_zone = "us-east-1a"
+instance_type     = "t2.micro"
+ami_id            = "ami-00f251754ac5da7f0"
+
+default_tags = {
+  Environment = "Prod"
+  Project     = "web-app"
+  Name        = "web-app"
+}
+

vars.tf

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+variable "default_tags" {
+  description = "Default tags to apply to all resources"
+  type        = map(string)
+}
+
+variable "aws_region" {
+  description = "The AWS region to deploy in."
+  type        = string
+  default     = "us-east-1"
+}
+
+variable "availability_zone" {
+  type    = string
+  default = "us-east-1a"
+}
+
+variable "instance_type" {
+  type = string
+}
+
+variable "ami_id" {
+  description = "The AMI ID to use for the EC2 instance."
+  type        = string
+}
+