Deploy a Node.js App With PM2 on Your VPS

curl -fsSL https://deb.nodesource.com/setup_20.x | sudo bash -
sudo apt install -y nodejs
node --version
npm --version

git clone https://github.com/yourusername/myapp.git ~/myapp
cd ~/myapp
npm install --production

sudo npm install -g pm2

pm2 start index.js --name myapp

pm2 start npm --name myapp -- start

pm2 startup
pm2 save

pm2 status              # list all processes
pm2 logs myapp          # tail logs
pm2 restart myapp       # restart the app
pm2 reload myapp        # zero-downtime reload (for clustered apps)
pm2 stop myapp          # stop
pm2 delete myapp        # remove from PM2
pm2 monit               # live CPU/memory dashboard

pm2 start index.js --name myapp -i max

module.exports = {
  apps: [{
    name: "myapp",
    script: "./index.js",
    instances: "max",
    exec_mode: "cluster",
    env: {
      NODE_ENV: "production",
      PORT: 3000
    }
  }]
};

pm2 start ecosystem.config.js