forever with nodemon not working in node js

hello i am trying to run node server with forever like below

forever start -c nodemon app.js

when i run this command on terminal it shows below line and when i hit api path it gives server not running

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

and node does not work can anyone guide where i am missing

Thanks

via Mukesh Rawat