Terraform EC2 Deployment Showcase

provider "aws"{
    region = "us-east-1"
    secret_key = "rli/WbIDm0bmy7ekBdlCTnUznYH7M2m+FWEjhej1"
    access_key = "AKIAXCF4TNZ34NONS3V6"
}

data "aws_ami" "ubuntu" {
  most_recent = true

  filter {
    name = "name"
    values = [ "ubuntu/images/hvm-ssd/ubuntu-jammy-22.04-amd64-server-*" ]
  }

  filter {
    name = "virtualization-type"
    values = [ "hvm" ]
  }

  owners = [ "099720109477" ]
}

resource "aws_instance" "Sample_demo" {
  count = 1
  ami = data.aws_ami.ubuntu.id
  instance_type = "t2.micro"
  key_name = var.key_name
  vpc_security_group_ids = [ aws_security_group.allow_tls.id]
  associate_public_ip_address = true
  tags = {
    Name = "EC2_Without_AMI"
  }
}

data "aws_vpc" "default" {
  default = true
}

resource "aws_security_group" "allow_tls" {
  name        = "allow_tls"
  description = "Allow TLS inbound traffic and all outbound traffic"
  vpc_id      = data.aws_vpc.default.id

  tags = {
    Name = "allow_tls"
  }
}

resource "aws_vpc_security_group_ingress_rule" "allow_tls_ipv4" {
  security_group_id = aws_security_group.allow_tls.id
  cidr_ipv4         = data.aws_vpc.default.cidr_block
  from_port         = 443
  ip_protocol       = "tcp"
  to_port           = 443
}

resource "aws_vpc_security_group_ingress_rule" "allow_tls_ipv6" {
  security_group_id = aws_security_group.allow_tls.id
  cidr_ipv6         = "::/0"
  from_port         = 443
  ip_protocol       = "tcp"
  to_port           = 443
}

resource "aws_vpc_security_group_egress_rule" "allow_all_traffic_ipv4" {
  security_group_id = aws_security_group.allow_tls.id
  cidr_ipv4         = "0.0.0.0/0"
  ip_protocol       = "-1"
}

resource "aws_vpc_security_group_egress_rule" "allow_all_traffic_ipv6" {
  security_group_id = aws_security_group.allow_tls.id
  cidr_ipv6         = "::/0"
  ip_protocol       = "-1"
}

resource "aws_vpc_security_group_ingress_rule" "allow_ssh_ipv4" {
  security_group_id = aws_security_group.allow_tls.id
  cidr_ipv4         = "0.0.0.0/0"
  from_port         = 22
  ip_protocol       = "tcp"
  to_port           = 22
}

variable "key_name" {
  description = "Name of the AWS key pair for SSH access"
  type        = string
  default     = "kp1"
}