Logs show that the react-scripts dev server is being run instead of the express server:
2022-08-22T22:56:05.674458+00:00 heroku[web.1]: State changed from crashed to starting
2022-08-22T22:56:16.258605+00:00 heroku[web.1]: Starting process with command `npm start`
2022-08-22T22:56:17.785218+00:00 app[web.1]:
2022-08-22T22:56:17.785232+00:00 app[web.1]: > bats-server@0.1.0 start
2022-08-22T22:56:17.785232+00:00 app[web.1]: > react-scripts start
2022-08-22T22:56:17.785232+00:00 app[web.1]:
2022-08-22T22:56:19.392573+00:00 heroku[web.1]: State changed from starting to crashed
2022-08-22T22:56:19.273965+00:00 heroku[web.1]: Process exited with status 0
2022-08-22T22:56:19.157968+00:00 app[web.1]: [HPM] Proxy created: /api,/auth,/libraries,/wss -> http://localhost:4000
2022-08-22T22:56:19.162629+00:00 app[web.1]: ℹ 「wds」: Project is running at http://172.16.228.18/
2022-08-22T22:56:19.162759+00:00 app[web.1]: ℹ 「wds」: webpack output is served from
2022-08-22T22:56:19.162809+00:00 app[web.1]: ℹ 「wds」: Content not from webpack is served from /app/public
2022-08-22T22:56:19.162841+00:00 app[web.1]: ℹ 「wds」: 404s will fallback to /
2022-08-22T22:56:19.162937+00:00 app[web.1]: Starting the development server...
2022-08-22T22:56:19.162937+00:00 app[web.1]:
Logs show that the react-scripts dev server is being run instead of the express server: