This Terraform project creates a complete AWS infrastructure for hosting a web application, including VPC, networking, security groups, and an EC2 instance with Apache web server.

• VPC with CIDR block 10.0.0.0/16
• Internet Gateway for internet connectivity
• Public Subnet in us-east-1a availability zone
• Route Table with internet access
• Security Group allowing HTTP (80), HTTPS (443), and SSH (22)
• Network Interface with private IP 10.0.1.50
• Elastic IP for public internet access
• EC2 Instance running Ubuntu with Apache web server

Internet → Internet Gateway → Route Table → Public Subnet → EC2 Instance
                                    ↓
                              Security Group (Ports 22, 80, 443)

Visual representation of the AWS infrastructure components and their connections

• Terraform (version >= 1.0)
• AWS CLI configured
• AWS Access Key and Secret Key with appropriate permissions
• SSH Key Pair named admin-r3dhat in AWS (or update the key_name variable)

Create or update terraform.tfvars with your AWS credentials:

aws_access_key = "your-actual-access-key"
aws_secret_key = "your-actual-secret-key"
aws_region     = "us-east-1"

For production use, consider restricting SSH access to your specific IP address in main.tf:

ingress {
  description = "SSH from VPC"
  from_port   = 22
  to_port     = 22
  protocol    = "tcp"
  cidr_blocks = ["YOUR_IP_ADDRESS/32"]  # Replace with your IP
}

terraform init

terraform plan

terraform apply

After successful deployment, you can access your web server at the Elastic IP address that Terraform outputs.

ssh -i /path/to/your/key.pem ubuntu@<ELASTIC_IP>

terraform destroy

⚠️ Important Security Notes:

• Never commit terraform.tfvars to version control
• Rotate AWS credentials if they've been exposed
• Consider restricting SSH access to specific IP addresses
• Review security group rules before production use

.
├── main.tf              # Main Terraform configuration
├── terraform.tfvars     # Variable values (DO NOT COMMIT)
├── .gitignore          # Git ignore file
├── README.md           # This file
└── terraform.tfstate   # Terraform state (auto-generated)

1. Fork the repository
2. Create a feature branch
3. Make your changes
4. Test with terraform plan
5. Submit a pull request

This project is open source and available under the MIT License.

**Happy Infrastructure as Code! **

This README provides:

• Clear overview of what the infrastructure creates
• Step-by-step setup instructions
• Security considerations
• Troubleshooting guide
• Customization options
• Best practices

The file is comprehensive yet easy to follow, making it perfect for both beginners and experienced users working with your Terraform configuration.