main.tf

# for my ec2 instance
resource "aws_instance" "access" {
  instance_type     = "t2.micro"
  availability_zone = "us-east-1a"
  ami               = "ami-03a6eaae9938c858c"

  tags = {
    Name = var.instance_name
  }
}

# VPC
resource "aws_vpc" "test-terraform" {
  cidr_block = "10.0.0.0/16"

  tags = {
    Name = "testing"
  }
}

# pub subnet
resource "aws_subnet" "pub_subnet" {
  vpc_id            = aws_vpc.test-terraform.id
  cidr_block        = "10.0.1.0/24"
  availability_zone = "us-east-1a"

  tags = {
    Name = "pub for testing"
  }
}


# my private subnet
resource "aws_subnet" "priv_subnet" {
  vpc_id            = aws_vpc.test-terraform.id
  cidr_block        = "10.0.2.0/24"
  availability_zone = "us-east-1b"

  tags = {
    Name = "Priv for testing"
  }
}

# security group
resource "aws_security_group" "for_public_access" {
  name        = "public access"
  description = "Allow TLS inbound traffic"
  vpc_id      = aws_vpc.test-terraform.id

  ingress {
    description = "public access"
    from_port   = 443
    to_port     = 443
    protocol    = "-1"
  }

  egress {
    from_port        = 0
    to_port          = 0
    protocol         = "-1"
    cidr_blocks      = ["0.0.0.0/0"]
    ipv6_cidr_blocks = ["::/0"]
  }

  tags = {
    Name = "public access"
  }
}