pm2 start and stop from nodejs app code example

Example 1: start stop restart pm2

pm2 start app.js --name "my-api"
pm2 start web.js --name "web-interface"

pm2 stop web-interface

pm3 restart web-interface

Example 2: pm2 install

$ pm2 start bashscript.sh
$ pm2 start python-app.py --watch
$ pm2 start binary-file -- --port 1520