How to Deploy a react app using PM2 on AlmaLinux 9

To deploy a React application using PM2 on AlmaLinux 9, follow these steps:

Step 1 : Install PM2

First, install PM2 globally using npm:

npm install -g pm2

Step 2 : Set Up PM2 Startup

Run the following command to configure PM2 to start on boot:

pm2 startup

This will generate a command. Copy and execute it to enable PM2 at startup.

Step 3 : Create a React App

Use the following command to create a new React application:

npm create vite@latest my-react-app -- --template react

Navigate into the project directory:

cd my-react-app

Install dependencies

npm install

Step 4 : Build the React App

Generate the production build:

npm run build

Step 5 : Serve the Build with PM2

Run the app using PM2 on port 3000:

pm2 serve dist/ 3000 --name "my-react-app"

Step 6 : Configure the Firewall (If Needed)

If the firewall is enabled, allow traffic on port 3000:

firewall-cmd --add-port=3000/tcp --permanent
firewall-cmd --reload

Step 7 : Test the Application

Open a web browser and visit:

http://your-server-ip:3000

If everything is set up correctly, you should see your React application running.

Step 8 : Manage the Application with PM2

Use the following commands to manage your application:

- Check status: pm2 status

- Restart app: pm2 restart my-react-app

- Reload app: pm2 reload my-react-app

- Stop app: pm2 stop my-react-app

- Delete app: pm2 delete my-react-app

Congratulations! You have successfully deployed a React app using PM2 on AlmaLinux 9.