1. Install

sudo npm install pm2 -g

2. PM2로 서버 실행

sudo pm2 start npm --name "my-app" -- run start

3. 기능

sudo pm2 list
sudo pm2 status # list와 동일
sudo pm2 monit
sudo pm2 show 0 # index or name
sudo pm2 env 0
sudo pm2 logs
sudo pm2 logs "my-app"
sudo pm2 stop 0
sudo pm2 start 0
sudo pm2 restart 0