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Right now i am runnign my nodejs application as npm start. i want to run it in background. I found forever package for this but dont know how can i run a application that i usually run as npm start. So how can i run it using forever ?

I follow this SO but getting this error:

ENVIRONMENT=production forever start app.js warn: --minUptime not set. Defaulting to: 1000ms warn: --spinSleepTime not set. Your script will exit if it does not stay up for at least 1000ms info: Forever processing file: app.js

apart of this Is there any other better way to run nodejs in background ?

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  • 5
    i don't see an error, just warnings....? Commented Dec 3, 2014 at 14:20

3 Answers 3

Reset to default
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You are doing it right.

The warnings are just reminding you that some essential information is missing, so it assigns the defaults. To be exact, if your script crashes/exits sooner than a second after start, forever will exit as well.

If you would like to get rid of those warnings:

forever start --minUptime 1000 --spinSleepTime 1000 app.js

Furthermore, you can open the package.json file, find the:

 "scripts": { "start": "node app.js" },

and change it to:

 "scripts": { "start": "forever start --minUptime 1000 --spinSleepTime 1000 app.js", "stop": "forever stop app.js" },

Now you can use npm start and it will invoke forever automatically.

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For anyone seeing this who's using express-generator and starts their application using "npm start", replace "app.js" with "`pwd`/bin/www"
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In 2022

Use forever npm package ( https://www.npmjs.com/package/forever )

forever start -c "npm <command\>" /path/to/app/dir/

EXAMPLE

./ means current directory

forever start -c "npm start" ./
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-1

For Linux Use terminal and enter in superuser mode, and try these code

$ nohup node <location of of js file> & $ exit

Note: This '&' is must before you press enter

or for npm command, just goto the location by cd command where your package.json is stored. Then 

$ nohup npm start & $ exit

Note: This '&' is must before you press enter

To stop it

$ top

You can see process id here, then use following code

$ kill -9 <PROCESS_ID>
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