terraformfile.txt

resource "aws_vpc" "main" {
 cidr_block = "10.0.0.0/16"
 
 tags = {
   Name = "Project VPC"
 }
}

resource "aws_internet_gateway" "gw" {
 vpc_id = "${aws_vpc.main.id}"
 
 tags = {
   Name = "Project VPC IG"
 }
}

resource "aws_route_table" "second_rt" {
 vpc_id = "${aws_vpc.main.id}"
 
 route {
   cidr_block = "0.0.0.0/0"
   gateway_id = "${aws_internet_gateway.gw.id}"
 }
 
 tags = {
   Name = "2nd Route Table"
 }
}

#resource "aws_subnet" "my_subnet" {
 # vpc_id     = aws_vpc.my_vpc.id
  #cidr_block = "10.0.1.0/24"
#}

variable "public_subnet_cidrs" {
 type        = string
 description = "Public Subnet CIDR values"
 default     = "10.0.1.0/24"
}

resource "aws_subnet" "public_subnets" {
 #count      = var.public_subnet_cidrs
 vpc_id     = "${aws_vpc.main.id}"
 cidr_block = var.public_subnet_cidrs
 
 
 tags = {
   Name = "Public-Subnet"
 }
}

#resource "aws_route_table" "my_route_table" {
 # vpc_id = aws_vpc.my_vpc.id
#}

resource "aws_route_table_association" "public_subnet_asso" {
 #count = length(var.public_subnet_cidrs)
 subnet_id      = "${aws_subnet.public_subnets.id}"
 route_table_id = "${aws_route_table.second_rt.id}"
}

# Create a security group
resource "aws_security_group" "my_security_group123" {
  name        = "my-security-group"
  description = "My security group"
  vpc_id = "${aws_vpc.main.id}"

  tags = {
    Name = "my-security-group1234"
  }

  # Inbound rule allowing SSH access (Port 22)
  ingress {
    from_port   = 22
    to_port     = 22
    protocol    = "tcp"
    cidr_blocks = ["0.0.0.0/0"]
  }

  # Inbound rule allowing HTTP access (Port 80)
  ingress {
    from_port   = 80
    to_port     = 80
    protocol    = "tcp"
    cidr_blocks = ["0.0.0.0/0"]
  }

  # Inbound rule allowing HTTPS access (Port 443)
  ingress {
    from_port   = 443
    to_port     = 443
    protocol    = "tcp"
    cidr_blocks = ["0.0.0.0/0"]
  }

  # Outbound rule allowing all traffic
  egress {
    from_port   = 0
    to_port     = 0
    protocol    = "-1"
    cidr_blocks = ["0.0.0.0/0"]
  }

  # Optionally, you can add more ingress and egress rules here
}

# Create the network interface
resource "aws_network_interface" "my_network_interface" {
  subnet_id       = "${aws_subnet.public_subnets.id}"
  security_groups  = [aws_security_group.my_security_group123.id]
  private_ips     = ["10.0.1.100"] 

}

# Allocate an Elastic IP
resource "aws_eip" "my_eip" {
  vpc = true
}

# Associate the Elastic IP with the network interface
resource "aws_eip_association" "my_eip_association" {
  network_interface_id = aws_network_interface.my_network_interface.id
  allocation_id        = aws_eip.my_eip.id
  instance_id = aws_instance.my_instance.id
}


# Create the Ubuntu server instance
resource "aws_instance" "my_instance" {
  ami           = "ami-024e6efaf93d85776"  # Replace with the desired Ubuntu AMI ID
  instance_type = "t2.micro"
  key_name      = "terraUbuntuKpair"
  subnet_id     = "${aws_subnet.public_subnets.id}"
  security_groups = [aws_security_group.my_security_group123.id]
  

  # User data script to install and enable Apache
  user_data = <<-EOF
    #!/bin/bash
    apt-get update
    apt-get install -y apache2
    systemctl enable apache2
    systemctl start apache2
  EOF
}