How to start application after build

[high-malloy]

I have problems with starting the application after:

npm run build

node app.js NODE_ENV=prod PORT=4567

Does not work...

node www.js NODE_ENV=prod PORT=4567

Does not work too.

No Error-Logs in the shell.

Please help.

[high-malloy]

I think the project is dead. The application only works in develop-mode.