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Terraform Digital Ocean Script

Setup Terraform in Windows (AMD64)

⁠

https://developer.hashicorp.com/terraform/install?product_intent=terraform⁠

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Download Terraform for Windows (AMD64) from

Unzip the file to a directory

Add the Terraform binary to your system's PATH:

Right-click This PC →Settings → Advanced system settings → Environment Variables.

Under User variables for Unity_0116, find the Path variable, and click Edit.

Click New, and add the path to the directory where you unzipped Terraform.

Press OK to save the changes.

terraform —version (Terraform version command)

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Create API Tokens in Digital Ocean

Go to

DigitalOcean's API tokens page⁠

and log in to your account.

Generate a New Token

Name the Token

Expiration :- 30/60/90 days and No Expir

Set Permissions :- full access

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Create API Tokens in GitHub

Access Personal Access Tokens:

Click on your profile icon in the top-right corner.

Select Settings from the dropdown menu.

In the left sidebar, click on Developer settings.

Click on Personal access tokens.

Create a New Token

Click on Generate new token.

Enter a Token name to describe its purpose.

Choose an Expiration date or set it to No expiration if you prefer.

Set Permissions:

Under Repository access, select All repositories.

Scroll down to Repository permissions, and open the Contents row.

Select Read and Write from the menu.

Generate and Copy the Token

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Create API Tokens for Cloudflare

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Cloudflare's API tokens page⁠

Create a new API token:

Click "Create Token

Select the "Edit zone DNS" template or create a custom token with permissions for "Zone DNS"

Zone DNS" read and edit

Define the token's permissions:

Permissions: Select "Zone DNS" and set to "Read" and "Edit."

Zone Resources: Set to "Include All Zones" or specify the zones as needed.

Click "Continue to summary" and then "Create Token."

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How to Retrieve the Cloudflare Zone ID

Cloudflare Dashboard⁠

Select your account and choose the domain for which you need the Zone ID.

On the Overview page (this is the default landing page when you select a domain), scroll down to find the API section.

In this section, you will find both the Zone ID and the Account ID.

Copy the Zone ID to use in your Terraform configuration or API calls.

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Create SSH Key

ssh-keygen -t rsa

And Save Terraform File

file name :- id_rsa.pub

Terraform File

create a new Terraform file

create the .tf file

provider.tf (Terraform Provider Configuration for Digital Ocean and Cloudflare)

terraform {

required_providers {

cloudflare = {

source = "cloudflare/cloudflare"

version = "~> 3.0" # Adjust the version as needed

}

digitalocean = {

source = "digitalocean/digitalocean"

version = "~> 2.0" # Adjust the version as needed

}

# Configure the DigitalOcean Provider

provider "digitalocean" {

token = var.do_token

}

# Configure the Cloudflare Provider

provider "cloudflare" {

api_token = var.cloudflare_token

}

terraform.tfvars (Enter API Tokens in Digital Ocean and Cloudflare )

# DigitalOcean API Token

do_token = "dop_v1_cd61e7b627830e2212033ceb47b6400e1f1ed981c896b88a3ca6fe5f541da5c4"

# Cloudflare API Token

cloudflare_token = "z2ah0j36vxc-nJ11_4qEbDCDLNJtGK8HE8rJ4wQj"

variables.tf

# Define the DigitalOcean API token variable

variable "do_token" {

description = "The API token for DigitalOcean"

type = string

}

# Define the Cloudflare API token variable

variable "cloudflare_token" {

description = "The API token for Cloudflare"

type = string

}

main.tf (Create Digital Ocean and Cloudflare Code )

# Define your SSH key for DigitalOcean

resource "digitalocean_ssh_key" "id_rsa" {

name = "id_rsa"

public_key = file("${path.module}/id_rsa.pub") # Ensure this is the correct path to the public key file

}

# Create the Droplet on DigitalOcean

resource "digitalocean_droplet" "nestjs_droplet" {

name = "sumit" # Droplet name

image = "ubuntu-22-04-x64" # Ubuntu 22.04 LTS image

region = "nyc3" # DigitalOcean region (NYC3 in this case)

size = "s-1vcpu-2gb" # Droplet size (1 vCPU, 2GB RAM)

backups = false # Disable backups (can be set to true if needed)

ipv6 = true # Enable IPv6 support

monitoring = true # Enable monitoring for the droplet

ssh_keys = [digitalocean_ssh_key.id_rsa.fingerprint] # Reference the SSH key

# Use cloud-init or a shell script for initial setup

user_data = file("${path.module}/betterbugs.sh") # Ensure this script is in the correct location

}

# Output the public IP of the droplet

output "droplet_ip" {

value = digitalocean_droplet.nestjs_droplet.ipv4_address

}

# Create an A record in Cloudflare pointing to the Droplet's public IP

resource "cloudflare_record" "example_a_record" {

zone_id = "3dd054264c1a06c8794306590a4205e2" # Cloudflare Zone ID

name = "api.sumitdevops.xyz" # DNS record name (subdomain)

value = digitalocean_droplet.nestjs_droplet.ipv4_address # Droplet's public IP address

type = "A" # A record

ttl = "1" # Time-to-live (TTL) value in seconds

proxied = true # Enable Cloudflare proxy (set to false if not needed)

}

# Output the DNS record details

output "cloudflare_dns_record" {

value = cloudflare_record.example_a_record

}

betterbugs.sh (Run Command in Better Bugs API, Git Clone, Redis, and Nginx Server Block Setup)

#!/bin/bash

# Define variables

REDIS_PASSWORD="Sumit@123"

GITHUB_USERNAME="sumit-linearloop"

GITHUB_TOKEN="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"

REPO_URL="https://$GITHUB_TOKEN@github.com/$GITHUB_USERNAME/digitalocean-api.git"

TARGET_DIR="/var/www/nestjs-app"

# Update and install dependencies

echo "Updating system and installing dependencies..."

apt-get update && apt-get upgrade -y

apt-get install nginx -y

apt-get install git -y

apt-get install curl -y

apt-get install redis-server -y

# Install nvm (Node Version Manager)

# Log everything to /root/startup-script.log

exec > >(tee -a /root/startup-script.log) 2>&1

# Install nvm (Node Version Manager)

echo "Installing NVM..."

curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.1/install.sh | bash

export NVM_DIR="$([ -z "${XDG_CONFIG_HOME-}" ] && printf %s "${HOME}/.nvm" || printf %s "${XDG_CONFIG_HOME}/nvm")"

[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"

# Load nvm in the current shell

source ~/.bashrc || source ~/.profile

# Verify nvm installation

echo "Verifying NVM installation..."

nvm -v || { echo "NVM not installed"; exit 1; }

# Install Node.js version 18 using nvm and set it as default

echo "Installing Node.js 18..."

nvm install 18

nvm use 18 || { echo "Node.js installation failed"; exit 1; }

# Install global npm packages

echo "Installing global npm packages (yarn, pm2)..."

npm install --global yarn pm2 || { echo "Global npm package installation failed"; exit 1; }

echo "Script completed successfully."

# Clone the GitHub repo

echo "Cloning repository from: $REPO_URL"

mkdir -p $TARGET_DIR && cd $TARGET_DIR

git clone --verbose $REPO_URL . || { echo "Git clone failed. Check your token or repository access."; exit 1; }

# Install dependencies and build the project

echo "Installing project dependencies with Yarn..."

yarn install || { echo "Yarn install failed"; exit 1; }

echo "Building the project with Yarn..."

yarn build || { echo "Yarn build failed"; exit 1; }

# Enable the PM2 service

echo "Configuring PM2 service for NestJS app..."

pm2 stop "nestjs-app" || echo "PM2 service not running"

pm2 delete "nestjs-app" || echo "No PM2 process to delete"

pm2 start /var/www/nestjs-app/dist/main.js --name "nestjs-app" -i 1 || { echo "PM2 start failed"; exit 1; }

pm2 save || { echo "PM2 save failed"; exit 1; }

# Set up NGINX for domain api.sumitdevops.xyz

echo "Configuring NGINX for domain api.sumitdevops.xyz..."

cat << 'EOF' > /etc/nginx/sites-available/api.sumitdevops.xyz

server {

listen 80;

server_name api.sumitdevops.xyz;

location / {

proxy_pass http://localhost:3000;

proxy_set_header Host $host;

proxy_set_header X-Real-IP $remote_addr;

proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

proxy_set_header X-Forwarded-Proto $scheme;

}

EOF

# Enable the NGINX configuration

ln -s /etc/nginx/sites-available/api.sumitdevops.xyz /etc/nginx/sites-enabled/

# Restart NGINX to apply the new configuration

echo "Restarting NGINX..."

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