https://github.com/tks-devops/terraform-project

Terraform Project for AWS Infrastructure..1 VPC ○ 3 public subnets ○ 3 private subnets ○ 3 Private routing tables ○ 1 public routing table ○ 1 internet gateway ○ 3 Elastic IP's for NAT Gateways ○ 3 NAT GateWays
https://github.com/tks-devops/terraform-project

aws-ec2 awscli elastic elastic-ip-for-nat-gateways git github internet-gateway linux nat-gateways private-routing-table private-subnets public-routing-table public-subnet shell-script teraform vpc yaml yaml-configuration

Last synced: 4 months ago
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Terraform Project for AWS Infrastructure..1 VPC ○ 3 public subnets ○ 3 private subnets ○ 3 Private routing tables ○ 1 public routing table ○ 1 internet gateway ○ 3 Elastic IP's for NAT Gateways ○ 3 NAT GateWays

• Host: GitHub
• URL: https://github.com/tks-devops/terraform-project
• Owner: Tks-Devops
• Created: 2024-12-23T23:52:51.000Z (about 1 year ago)
• Default Branch: main
• Last Pushed: 2024-12-25T12:23:42.000Z (about 1 year ago)
• Last Synced: 2025-09-02T06:33:04.907Z (4 months ago)
• Topics: aws-ec2, awscli, elastic, elastic-ip-for-nat-gateways, git, github, internet-gateway, linux, nat-gateways, private-routing-table, private-subnets, public-routing-table, public-subnet, shell-script, teraform, vpc, yaml, yaml-configuration
• Language: HCL
• Homepage:
• Size: 5.86 KB
• Stars: 2
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
# Terraform Project for AWS Infrastructure

## Step 1: Install Terraform

Download and install Terraform from [terraform.io](https://www.terraform.io/downloads.html).

Verify installation:

```bash

terraform --version

Step 2: Create Terraform Files

Create a new directory for Terraform:

mkdir terraform_project && cd terraform_project

Create main.tf:

nano main.tf

Paste the following configuration:

HCL

provider "aws" {

  region = "us-east-1"

}

# Fetch Availability Zones

data "aws_availability_zones" "available" {}

# Create VPC

resource "aws_vpc" "main" {

  cidr_block           = "10.0.0.0/16"

  enable_dns_support   = true

  enable_dns_hostnames = true

  tags = {

    Name = "main-vpc"

  }

}

# Create Public Subnets

resource "aws_subnet" "public" {

  count                   = 3

  vpc_id                  = aws_vpc.main.id

  cidr_block              = cidrsubnet(aws_vpc.main.cidr_block, 8, count.index)

  availability_zone       = element(data.aws_availability_zones.available.names, count.index)

  map_public_ip_on_launch = true

  tags = {

    Name = "public-subnet-${count.index + 1}"

  }

}

# Create Private Subnets

resource "aws_subnet" "private" {

  count             = 3

  vpc_id            = aws_vpc.main.id

  cidr_block        = cidrsubnet(aws_vpc.main.cidr_block, 8, count.index + 3)

  availability_zone = element(data.aws_availability_zones.available.names, count.index)

  tags = {

    Name = "private-subnet-${count.index + 1}"

  }

}

# Create Internet Gateway

resource "aws_internet_gateway" "main" {

  vpc_id = aws_vpc.main.id

  tags = {

    Name = "main-internet-gateway"

  }

}

# Create Public Route Table

resource "aws_route_table" "public" {

  vpc_id = aws_vpc.main.id

  tags = {

    Name = "public-route-table"

  }

}

# Add Route to Internet Gateway in Public Route Table

resource "aws_route" "public_internet_access" {

  route_table_id         = aws_route_table.public.id

  destination_cidr_block = "0.0.0.0/0"

  gateway_id             = aws_internet_gateway.main.id

}

# Associate Public Subnets with Public Route Table

resource "aws_route_table_association" "public" {

  count          = 3

  subnet_id      = aws_subnet.public[count.index].id

  route_table_id = aws_route_table.public.id

}

# Create Elastic IPs for NAT Gateways

resource "aws_eip" "nat" {

  count = 3

  vpc   = true

  tags = {

    Name = "nat-eip-${count.index + 1}"

  }

}

# Create NAT Gateways

resource "aws_nat_gateway" "nat" {

  count         = 3

  allocation_id = aws_eip.nat[count.index].id

  subnet_id     = aws_subnet.public[count.index].id

  tags = {

    Name = "nat-gateway-${count.index + 1}"

  }

}

# Create Private Route Tables

resource "aws_route_table" "private" {

  count  = 3

  vpc_id = aws_vpc.main.id

  tags = {

    Name = "private-route-table-${count.index + 1}"

  }

}

# Add Routes to NAT Gateways in Private Route Tables

resource "aws_route" "private_nat_access" {

  count                  = 3

  route_table_id         = aws_route_table.private[count.index].id

  destination_cidr_block = "0.0.0.0/0"

  nat_gateway_id         = aws_nat_gateway.nat[count.index].id

}

# Associate Private Subnets with Private Route Tables

resource "aws_route_table_association" "private" {

  count          = 3

  subnet_id      = aws_subnet.private[count.index].id

  route_table_id = aws_route_table.private[count.index].id

}

Initialize and apply:

bash

terraform init

terraform apply