Why do the error log files generated by pm2 have log-0.log, log-2.log, log-3.log, etc? What is the difference between these documents?
0, 2 and 3 correspond to processes managed in pm2. You use
pm2 listLook at the id corresponding to the process, and you can also use the corresponding ID.
pm2 logs 0This command listens to the process log of the corresponding id