How to deploy a NestJS app on Plesk

Deploy NestJS (Node-Express) on Plesk

-Copy files to web directory ex: app.js and folders
-copy packages.json to webdirectory 
-npm install  
-change permision to all files and folders to only owner read
pase this on top of your app.js file
if (typeof(PhusionPassenger) !== 'undefined') {
    PhusionPassenger.configure({ autoInstall: false });
}

and  this where port is set.
if (typeof(PhusionPassenger) !== 'undefined') {
    app.listen('passenger');
} else {
    app.listen(3000);
}


-start the app
it should works


https://www.phusionpassenger.com/library/indepth/nodejs/reverse_port_binding.html#express-js-solution-example