Backend Express not working

Tell us what’s happening:
The codebase does not work with neither replit nor heroku, however works with glitch. both the others give the “not found” error in the browser.

Your project link(s)

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:96.0) Gecko/20100101 Firefox/96.0

Challenge: Meet the Node console

Link to the challenge:
www_freecodecamp.org/learn/back-end-development-and-apis/basic-node-and-express/meet-the-node-console