Terraform AWS VPC and EC2 Instances Setup

This repository contains a Terraform configuration to create a Virtual Private Cloud (VPC) with public and private subnets, EC2 instances, and a security group in AWS.

Resources Created

• VPC: A VPC with CIDR block 10.0.0.0/16.
• Subnets:
  • Public Subnet: 10.0.1.0/24 (with public IP assignment).
  • Private Subnet: 10.0.2.0/24.
• Internet Gateway: Allows internet access to the VPC.
• Route Tables: Configures routes for the public subnet.
• Security Group: Allows SSH (port 22) to EC2 instances.
• EC2 Instances:
  • Public EC2 Instance: In the public subnet with public IP.
  • Private EC2 Instances: Two instances in the private subnet without public IP.

Files

• main.tf: Contains the core resources (VPC, Subnets, Instances).
• output.tf: Outputs the IDs and public IPs of the created EC2 instances.
• variables.tf: Defines input variables such as subnet AZs, instance types, and AMI IDs.

Variables

• public_subnet_az: Availability zone for the public subnet (default: ap-south-1a).
• private_subnet_az: Availability zone for the private subnet (default: ap-south-1b).
• instance_type: EC2 instance type (default: t2.micro).
• public_ami: AMI ID for the public EC2 instance.
• private_ami: AMI ID for the private EC2 instances.

Usage

1. Clone the repository:

   git clone https://github.com/your-username/terraform-aws-vpc-ec2.git
   cd terraform-aws-vpc-ec2

2. Initialize Terraform:

   terraform init

3. Apply the configuration:

   terraform apply

4. View the output:

   terraform output

5. destroy the resources:

terraform destroy

Conclusion

This setup provides a basic VPC with public and private subnets, EC2 instances, and a security group in AWS. It serves as a foundation for more advanced cloud architectures.