How to Deploy a Node.js App on a Hostinger VPS (Step-by-Step for Beginners)

If you’ve built a Node.js app (like an API, backend, or dashboard) and want it to run live on your own Hostinger VPS, this guide walks you through everything — from setting up the server to making your domain live with SSL (https).

Let’s get started 👇

🖥️ Step 1: Connect to Your VPS

Once you buy your VPS, Hostinger gives you:

1. A public IP address
2. A root username
3. A password

On your laptop or desktop, open Terminal (Mac/Linux) or PowerShell (Windows) and connect:

Example:

That’s you entering your new remote computer 🚀

Step 2: Create a New User (for safety)

It’s best not to work directly as “root”. Create a normal user:

Now you can log in using that user:

This keeps your server more secure.

⚙️ Step 3: Install Node.js and PM2

We’ll use nvm (Node Version Manager) — it’s the safest way to install Node.js.

Now Node.js is installed. Check it:

Then install PM2 — a tool that keeps your Node.js app running forever, even if the server restarts.

Step 4: Get Your Project on the Server

You can either upload files via Git, FTP, or ZIP.

Easiest way:

If your project uses environment variables (like database URL, API keys), create a .env file:

Step 5: Test if Your App Works

Before setting up anything fancy, make sure your app runs:

(Replace server.js with your app’s main file if it’s different.)

If it prints something like Server running on port 4001, that’s great! 🎉

Press Ctrl + C to stop it.

Step 6: Keep It Running Forever (Using PM2)

Now we’ll use PM2 to keep your app alive all the time:

This means:

1. Your app will automatically restart if it crashes.
2. It will even start after your server reboots.

To check:

Step 7: Install Nginx (To Serve the App on a Domain)

Nginx acts like a “traffic manager” for your server — it receives all requests (like from api.dharmsy.com) and forwards them to your Node app running on port 4001.

Install Nginx:

Then make a config file for your domain:

Paste this inside (change the domain name and port if needed):

Now activate the config:

🔒 Step 8: Add Free SSL (HTTPS) with Let’s Encrypt

Let’s Encrypt gives you free HTTPS for your domain.

Follow the on-screen steps and choose the option to redirect HTTP to HTTPS.

Now your site is secure:

https://api.secure.com works!

Step 9: Update Your App Without Downtime

When you push new code to GitHub, you can update it easily:

That’s it — no downtime, your API updates instantly 🚀

Step 10: Monitor and Manage

See if everything’s okay:

You’ll see CPU usage, memory, uptime, and logs.

Optional — Simple Auto Deploy Script

You can create a small script to update everything in one command:

Paste:-

Then make it executable:

💡 Bonus Tips

1. Use one VPS to host multiple apps (just change ports & Nginx configs)
2. Use UFW firewall to block unwanted ports:

1. Always run pm2 save after starting your apps
2. You can check if SSL auto-renew works: