How to pass variable to npm script?

Question

Node.js

I want to be able to change the server port either by specifying it in the package.json script or by running a command. I have this on a server npm script runs anyway on 3090
app.set('port', process.env.PORT || 3090)
"api": "nodemon api/server.js --PORT=7777"

Answer 1

"api": "PORT=7777 nodemon api/server.js"

Answer 2

And also you

process.env.PORT

, i.e. the port can be set from the environment.