How to Deploy Express.js on SiteGround?

12 minutes read

To deploy an Express.js application on SiteGround, you can follow the following steps:

  1. Access your SiteGround hosting account and navigate to the cPanel dashboard.
  2. Look for the "File Manager" option and click on it to open the file management interface.
  3. In the file manager, locate the public_html directory. This is the root folder for your website.
  4. Create a new directory or folder within the public_html folder to contain your Express.js application. You can name it something like "myapp" or "expressapp".
  5. Upload all the files and folders of your Express.js application to this new directory. This includes your application code, along with any other dependencies or assets needed.
  6. In the cPanel dashboard, find the "Software" section and locate the "Node.js" option. Click on it.
  7. In the Node.js interface, click on the "Create Application" button.
  8. Provide a name for your application, like "myapp" or "expressapp", matching the directory name given in step 4.
  9. In the "Application Root" field, select the directory you created in step 4.
  10. In the "Application URL" field, enter the URL path where you want your Express.js application to be accessible. For example, if your domain is "", you can enter "myapp" to make it accessible at "".
  11. Select the Node.js version that your application requires. Express.js is compatible with most recent versions.
  12. Click on the "Create Application" button to set up your Express.js application on SiteGround.
  13. Once the application is created, you will be redirected to the application management page. From there, click on the "Run NPM Install" button to install all the dependencies specified in your package.json file.
  14. After the dependencies are successfully installed, you can click on the "Restart" button to run your Express.js application.
  15. Your Express.js application should now be deployed and accessible through the URL you provided in step 10.

That's it! Your Express.js application is now deployed on SiteGround. You can make any necessary configurations or customizations to your application by accessing the file manager, modifying files, or making changes in the Node.js interface as required.

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What is the default port used by Express.js applications on SiteGround?

The default port used by Express.js applications on SiteGround is typically port 80 for HTTP or port 443 for HTTPS.

What are the steps to deploy an Express.js app with load balancing on SiteGround?

To deploy an Express.js app with load balancing on SiteGround, you can follow these steps:

  1. Sign up for a SiteGround hosting account or log in to your existing account.
  2. Create a new website or domain to host your Express.js app.
  3. Set up a Load Balancer in your SiteGround account. This can typically be found under the "Site Tools" or "Manage Services" section.
  4. Configure the Load Balancer settings, including the load balancing algorithm, health checks, and backend nodes.
  5. Add backend nodes to your Load Balancer. In this case, you will configure your Express.js app as the backend node. You may have multiple backend nodes for load balancing purposes.
  6. Install Node.js on your SiteGround hosting account. SiteGround usually provides an interface to install Node.js as part of their hosting features.
  7. Connect to your SiteGround hosting account via SSH or control panel file manager. You will need to upload your Express.js app files to your hosting account.
  8. Upload your Express.js app files to your hosting account. This typically involves transferring your local Express.js app files to your hosting account via FTP/SFTP or the control panel's file manager.
  9. Install the required dependencies for your Express.js app using the Node Package Manager (npm). SSH into your hosting account and navigate to your Express.js app's directory. Run the command npm install to install the necessary packages.
  10. Configure your Express.js app to listen on a specific port (e.g., 3000). This is usually done in the app's entry file (app.js or index.js). Ensure that the app is configured to listen on the correct IP address and port.
  11. Test your Express.js app locally to ensure it is functioning as expected by running npm start or other necessary commands.
  12. Once your Express.js app is tested and working locally, navigate to the Load Balancer settings in SiteGround and add the backend node(s) using the appropriate IP address and port of your Express.js app.
  13. Save your Load Balancer settings and wait for the changes to propagate. This may take a few minutes.
  14. Once the changes have propagated, access your Express.js app through the Load Balancer IP or domain provided by SiteGround. The load balancer will distribute the incoming requests across the configured backend nodes, ensuring load balancing for your app.

Note that the exact steps may vary slightly based on your specific hosting account and setup. It is recommended to refer to SiteGround's documentation or contact their support for any specific instructions related to their platform.

How to deploy an Express.js app with a custom domain on SiteGround?

To deploy an Express.js app with a custom domain on SiteGround, you can follow these steps:

  1. Register a domain: Purchase a domain name from a domain registrar of your choice. Make sure to note down the nameservers provided by the registrar.
  2. Sign up for SiteGround: Go to the SiteGround website ( and sign up for a hosting plan.
  3. Point your domain to SiteGround: In your domain registrar's control panel, update the nameservers of your domain to the ones provided by SiteGround. This will connect your domain to your SiteGround hosting account.
  4. Set up your hosting account: Log in to your SiteGround account and go to the cPanel control panel.
  5. Create a new subdomain: In the cPanel, navigate to the "Subdomains" section and create a new subdomain that will host your Express.js app. For example, you can create a subdomain named "".
  6. Install an SSL certificate: In the cPanel, go to the "SSL/TLS" section and install an SSL certificate for your custom domain. This will enable HTTPS on your app.
  7. Set up your Express.js app: Upload your Express.js app code to the server using an FTP client or cPanel's File Manager. Ensure that your app is ready to be deployed to a production environment.
  8. Configure the subdomain: In the cPanel, go to the "Domains" section and click on the "Subdomains" option. Select the subdomain you created in Step 5 and configure its document root to point to the directory where your Express.js app is located.
  9. Start and test your app: Open an SSH terminal session to your SiteGround account (or use cPanel's Terminal tool) and navigate to the directory of your app. Use a tool like PM2 to start your app process. Verify that your app is running by accessing the subdomain URL in your browser.
  10. Configure your custom domain: In the cPanel, go to the "Domains" section and click on the "Addon Domains" option. Add your custom domain and configure its document root to point to the same directory as the subdomain. This will ensure that your app is accessible via both the subdomain and the custom domain.
  11. Update DNS records: In your domain registrar's control panel, update the DNS records of your domain to point to the SiteGround server's IP address. This will finalize the connection between your custom domain and your Express.js app.

After completing these steps, your Express.js app should be successfully deployed and accessible through your custom domain on SiteGround.

How to implement real-time communication in an Express.js app on SiteGround using WebSockets?

To implement real-time communication in an Express.js app on SiteGround using WebSockets, you can follow these steps:

  1. Set up an Express.js app on your SiteGround server. You can create a new app or use an existing one.
  2. Install the necessary dependencies for WebSockets using npm. In your project's root directory, run the following command: npm install express
  3. In your Express.js app file (e.g., app.js), require the express and modules: const express = require('express'); const app = express(); const http = require('http').Server(app); const io = require('')(http);
  4. Define a route to serve your WebSocket client code in the Express.js app. For example, you can serve the client-side code in a public folder: app.use(express.static(__dirname + '/public'));
  5. Set up a WebSocket connection handler to handle incoming connections from clients: io.on('connection', (socket) => { console.log('A user connected'); // Handle incoming messages from clients socket.on('message', (data) => { console.log('Received message:', data); // Broadcast the received message to all connected clients io.emit('message', data); }); // Handle disconnection of clients socket.on('disconnect', () => { console.log('A user disconnected'); }); });
  6. In your client-side HTML file (e.g., index.html located in your public folder), include the Socket.IO library and establish a WebSocket connection:
  7. Deploy your Express.js app to SiteGround. You can use Git to deploy your app or manually upload the files to your server.
  8. Access your Express.js app's URL in a web browser. Open the browser's development console to view the messages exchanged between the server and the client.

Congratulations! You have implemented real-time communication in your Express.js app on SiteGround using WebSockets.

How to integrate a database with an Express.js app on SiteGround?

To integrate a database with an Express.js app on SiteGround, follow these steps:

  1. Create a SiteGround shared hosting account and set up your Express.js app on the server.
  2. Install and configure the required database software on the server. SiteGround typically offers MySQL as the default database option, but you might have the option to choose other databases like PostgreSQL as well.
  3. Open your Express.js app code and ensure you have the necessary dependencies installed. Most commonly used packages for database operations in Express.js are mysql (for MySQL) or pg (for PostgreSQL).
  4. Require the database module in your app.js or server.js file using the appropriate package for your chosen database.
  5. Set up the database connection by defining the required connection parameters like host, port, username, password, and database name. For example, if you are using MySQL and the connection parameters are: Host: localhost Port: 3306 Username: your_db_username Password: your_db_password Database: your_database_name The code may look like this: const mysql = require('mysql'); const connection = mysql.createConnection({ host: 'localhost', port: 3306, user: 'your_db_username', password: 'your_db_password', database: 'your_database_name' }); connection.connect((err) => { if (err) { console.error('Database connection failed: ' + err.stack); return; } console.log('Connected to the database.'); }); // Use the "connection" object to perform database operations
  6. You can now use the connection object to perform various database operations like querying, inserting, updating, and deleting data.
  7. Test your integration by running your Express.js app and accessing the routes that interact with the database. Make sure to handle any database errors and perform proper error handling within your application.

Remember to secure your database credentials and ensure they are not exposed in the source code or through version control systems. Use environment variables or a configuration file for storing sensitive information like database credentials.

How to handle file uploads in Express.js on SiteGround?

To handle file uploads in Express.js on SiteGround, you can follow these steps:

  1. Install the necessary dependencies: Multer: It is a middleware that handles multipart/form-data, which is used for uploading files. Path: It is a built-in Node.js module used for handling file paths. You can install these dependencies by running the command: npm install multer path
  2. Set up the middleware in your Express.js application. Open your app.js or server.js file and require the necessary modules: const express = require('express'); const multer = require('multer'); const path = require('path');
  3. Create a storage configuration for Multer. This defines where the uploaded files should be stored and how they should be named. Here's an example: const storage = multer.diskStorage({ destination: function (req, file, cb) { cb(null, 'uploads/') // Change 'uploads/' to the desired upload folder path }, filename: function (req, file, cb) { cb(null, file.fieldname + '-' + + path.extname(file.originalname)) } });
  4. Create an instance of Multer with the storage configuration: const upload = multer({ storage: storage });
  5. Define the route handler for file uploads. Use the upload middleware to handle the file uploads. For example:'/upload', upload.single('file'), (req, res) => { if (!req.file) { return res.status(400).send('No files were uploaded.'); } res.send('File uploaded successfully.'); }); In this example, the route /upload is configured to handle POST requests with a file input field named file. You can adjust the route and field name to match your requirements.
  6. Create a folder named uploads in your Express.js application directory. This is where the uploaded files will be stored. Make sure the folder has the necessary write permissions.
  7. Start your Express.js application and test file uploads. You should be able to upload files through the route you defined and have them stored in the uploads folder.

Remember to adjust the route and field name based on your application's requirements.

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