provider "aws" {
  region = "ap-south-1"
}

# VPC
resource "aws_vpc" "TestVPC" {           # Create a VPC
  cidr_block           = "172.16.0.0/16" # Specify CIDR block (IP range)
  enable_dns_support   = true            # DNS support
  enable_dns_hostnames = true            # Hostname support
  tags = {
    Name = "TestVPC" # Name for VPC (on AWS)
  }
}

# Subnet -> Associated w/ TestVPC
resource "aws_subnet" "TestSubnetOne" {  # Create subnet
  vpc_id            = aws_vpc.TestVPC.id # Specify VPC under which subnet should be created
  cidr_block        = "172.16.1.0/24"    # Specify segment of IP range (from VPC) for this subnet
  availability_zone = "ap-south-1a"      # Set availability zone
  tags = {
    Name = "TestSubnet1" # Name for subnet (on AWS)
  }
}

# Internet gateway
# Route table
# |_ Route
# |_ Table association

# EC2 under TestVPC in TestSubnet1 IP
resource "aws_instance" "name" {
  ami           = "ami-0861f4e788f5069dd"
  instance_type = "t2.micro"
  key_name      = "kshitij-personal-ed25519"
  subnet_id     = aws_subnet.TestSubnetOne.id

  tags = {
    Name = "EC2-TestSubnet1"
  }
}