How to automatically reload Node.js project when using pm2

Question

I am currently programming Node.js with Express.js, and every time I change a line of code in the file router or app, I need to type the command:

pm2 reload id_project.

How do I make pm2 auto-reload the project when a file is changed?

Answer 1

By default, pm2 doesn’t automatically refresh our server every time we change files. You need to start your pm2 project with the --watch cli argument in order to tell pm2 to refresh when files have changed:

pm2 start id_project --watch

check out the docs for more details, or @rogier-spieker answer which is more detailed.