curl -sL https://rpm.nodesource.com/setup_12.x | sudo bash -
sudo yum install -y nodejs
npm install pm2 -g

下载项目的源代码
cd /data/build
svn checkout SVN路径

/sbin/iptables -I INPUT -p tcp --dport 3000 -j ACCEPT
service iptables save

cd /data

pm2 ecosystem
vi ecosystem.config.js
module.exports = {
  apps : [
    {
      name: ‘appApi‘,
      script: ‘/data/build/Node.js/appApi/bin/www‘,
      watch: [‘/data/build/Node.js/appApi/‘],
      instances: 4,
      env: {
        ‘profile‘: ‘production‘
      }
    }
  ]
};

pm2 delete all
pm2 start ecosystem.config.js
pm2 save
more ~/.pm2/dump.pm2
pm2 startup

修改源代码后，只要更新源代码即可，pm2会监控变化自动更新