How to Deploy a react app using PM2 on CentOS 7

To deploy a React app on CentOS 7 using PM2, follow these steps:

Step 1 : Install PM2

npm install pm2 -g

Step 2 : Run PM2 startup

pm2 startup systemd

Step 3 : Create a React app

npx create-react-app my-react-app
cd my-react-app

Step 4 : Build the React app

npm run build

Step 5 : Serve the built React app with PM2

pm2 serve build/ 3000 --name "my-react-app" --spa

Step 6 : If using Firewall, ensure port 3000 is open:

sudo firewall-cmd --zone=public --permanent --add-port=3000/tcp
sudo firewall-cmd --reload

Step 7 : Test the app by opening it in a browser:

http://your_server_ip:3000

Step 8 : Manage the application using PM2 commands:

- 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 from PM2

pm2 delete my-react-app

Congratulations! You have successfully deployed your React app using PM2 on CentOS 7.