Answers for "bind to port 4000 failed already in use"

Port 3000 is already in use.

If this error is in nextjs

in package.json, update scripts:
"dev": "PORT=3001 next dev",

you can choose other port, and also change for start.

Posted by: Guest on July-27-2021

Web process failed to bind to $PORT within 60 seconds of launch

.listen(process.env.PORT || 5000)

Posted by: Guest on March-28-2020

Code answers related to "bind to port 4000 failed already in use"