set a fixed port.

n/a

any port? how can I know if it's not reserved ?

you would get another error, 3000 is commonly used

so I should set port in env file to 3000

in your service variables

is there any solved duplicate issue I can follow and read

thanks lot

wdym i had just proposed a solution?

right now Im not setting any PORT and I'm using NextJS

this error sometimes happen and somtimes not

set a fixed port