já desinstalei o nodemon do projeto, e alterei o start no json mas sempre repete o mesmo erro quando faço deploy.
Sep 20 04:47:45 npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
Sep 20 04:47:45 npm ERR! Failed at the api@1.0.0 start script.
Sep 20 04:47:45 npm ERR!
Sep 20 04:47:45 npm ERR! spawn ENOENT
Sep 20 04:47:45 npm ERR! api@1.0.0 start: nodemon server.js
Sep 20 04:47:45 npm ERR! syscall spawn
Sep 20 04:47:45 npm ERR! errno ENOENT
Sep 20 04:47:45 npm ERR! code ELIFECYCLE
Sep 20 04:47:45 npm ERR! file sh
Sep 20 04:47:45 sh: 1: nodemon: not found
Sep 20 04:47:45
Sep 20 04:47:45 > nodemon server.js
Sep 20 04:47:45 > api@1.0.0 start /usr/src/app